diff --git a/app/services/family_linkage_service.rb b/app/services/family_linkage_service.rb
index 2cf16275bc..48a39ba652 100644
--- a/app/services/family_linkage_service.rb
+++ b/app/services/family_linkage_service.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 # Generates a case from the family
+# rubocop:disable Metrics/ClassLength
 class FamilyLinkageService
   LOCAL_FAMILY_MEMBER_FIELDS = %w[
     family_relationship family_relationship_notes family_relationship_notes_additional
@@ -58,8 +59,9 @@ def link_child_to_new_family(user, child)
 
     def family_member_to_child(user, family_member)
       child_data = DEFAULT_MAPPING.each_with_object({}) do |elem, memo|
-        if elem['target'].is_a?(Array)
-          elem['target'].each { |target| memo[target] = family_member[elem['source']] }
+        if elem['source'] == 'relation_name'
+          child_names = relation_name_to_child_names(family_member)
+          elem['target'].each { |target| memo[target] = child_names[target] }
         else
           memo[elem['target']] = family_member[elem['source']]
         end
@@ -70,11 +72,32 @@ def family_member_to_child(user, family_member)
 
     def child_to_family_member(child)
       DEFAULT_MAPPING.each_with_object({ 'unique_id' => SecureRandom.uuid }) do |elem, memo|
-        target = elem['target'].is_a?(Array) ? elem['target'].first : elem['target']
+        target = elem['target']
+        if elem['source'] == 'relation_name'
+          memo[elem['source']] = generate_relation_name(child, target)
+          next
+        end
+
         memo[elem['source']] = child.data[target]
       end
     end
 
+    def generate_relation_name(child, field_names)
+      child.data['name'].presence || field_names.map { |field_name| child.data[field_name] }.compact.join(' ')
+    end
+
+    def relation_name_to_child_names(family_member)
+      relation_name = family_member['relation_name']
+      return {} unless relation_name.present?
+
+      names = relation_name.split
+      {
+        'name_first' => names.first,
+        'name_middle' => names.slice(1..-2).join(' ').presence,
+        'name_last' => names.size > 1 ? names.last : nil
+      }
+    end
+
     def child_to_family(child)
       GLOBAL_FAMILY_FIELDS.each_with_object({}) { |field, memo| memo[field] = child.data[field] }
     end
@@ -140,3 +163,4 @@ def family_details_section_local_data(family_details_section)
     end
   end
 end
+# rubocop:enable Metrics/ClassLength
diff --git a/spec/requests/api/v2/families_controller_spec.rb b/spec/requests/api/v2/families_controller_spec.rb
index 12bedfa413..c7e3c86cbe 100644
--- a/spec/requests/api/v2/families_controller_spec.rb
+++ b/spec/requests/api/v2/families_controller_spec.rb
@@ -19,7 +19,7 @@
         family_members: [
           {
             unique_id: '001',
-            relation_name: 'Member 1',
+            relation_name: 'Member1',
             relation_sex: 'male',
             relation_age: 10,
             relation_date_of_birth: Date.today - 10.years
@@ -220,7 +220,7 @@
       expect(json['data']['id']).to eq(family1.id)
 
       child = Child.find_by(id: json['data']['record']['id'])
-      expect(child.name_first).to eq('Member 1')
+      expect(child.name_first).to eq('Member1')
       expect(child.sex).to eq('male')
       expect(child.age).to eq(10)
       expect(child.date_of_birth).to eq(Date.today - 10.years)
diff --git a/spec/services/family_linkage_service_spec.rb b/spec/services/family_linkage_service_spec.rb
index b4c4673007..e13b938e36 100644
--- a/spec/services/family_linkage_service_spec.rb
+++ b/spec/services/family_linkage_service_spec.rb
@@ -23,7 +23,7 @@
             family_relationship: 'relationship1',
             family_relationship_notes: 'Notes about the relationship',
             family_relationship_notes_additional: 'Additional notes about the relationship',
-            relation_name: 'Member 1',
+            relation_name: 'MemberFirst MemberLast',
             relation_nickname: 'Member 1 Nickname',
             relation_sex: 'male',
             relation_age: 10,
@@ -98,9 +98,9 @@
 
       expect(Child.find(child.id).data.select { |key, _value| target_fields.include?(key) }).to eq(
         {
-          'name_first' => 'Member 1',
-          'name_middle' => 'Member 1',
-          'name_last' => 'Member 1',
+          'name_first' => 'MemberFirst',
+          'name_middle' => nil,
+          'name_last' => 'MemberLast',
           'name_nickname' => 'Member 1 Nickname',
           'sex' => 'male',
           'age' => 10,
@@ -123,6 +123,62 @@
     end
   end
 
+  describe 'family_member_to_child' do
+    it 'splits the relation name of the family member' do
+      child = FamilyLinkageService.family_member_to_child(
+        user, { 'unique_id' => '001', 'relation_name' => 'MemberFirst MemberLast' }
+      )
+
+      expect(child.name_first).to eq('MemberFirst')
+      expect(child.name_middle).to be_nil
+      expect(child.name_last).to eq('MemberLast')
+    end
+
+    it 'splits the relation name of the family member with middle name' do
+      child = FamilyLinkageService.family_member_to_child(
+        user, { 'unique_id' => '001', 'relation_name' => 'MemberFirst MemberMiddle MemberLast' }
+      )
+
+      expect(child.name_first).to eq('MemberFirst')
+      expect(child.name_middle).to eq('MemberMiddle')
+      expect(child.name_last).to eq('MemberLast')
+    end
+
+    it 'splits the relation name of the family member with a long middle name' do
+      child = FamilyLinkageService.family_member_to_child(
+        user, { 'unique_id' => '001', 'relation_name' => 'MemberFirst MemberMiddle1 MemberMiddle2 MemberMiddle3 MemberLast' }
+      )
+
+      expect(child.name_first).to eq('MemberFirst')
+      expect(child.name_middle).to eq('MemberMiddle1 MemberMiddle2 MemberMiddle3')
+      expect(child.name_last).to eq('MemberLast')
+    end
+
+    it 'splits the relation name of the family member but only sets the first name' do
+      child = FamilyLinkageService.family_member_to_child(
+        user, { 'unique_id' => '001', 'relation_name' => 'MemberFirst' }
+      )
+
+      expect(child.name_first).to eq('MemberFirst')
+      expect(child.name_middle).to be_nil
+      expect(child.name_last).to be_nil
+    end
+  end
+
+  describe 'child_to_family_member' do
+    it 'sets the relation_name from the name fields' do
+      child = Child.create!(data: { name_first: 'FirstName', name_last: 'LastName', age: 10, sex: 'male' })
+      family_member = FamilyLinkageService.child_to_family_member(child)
+      expect(family_member['relation_name']).to eq('FirstName LastName')
+    end
+
+    it 'sets the relation_name from the name field' do
+      child = Child.create!(data: { name: 'FirstName LastName', age: 10, sex: 'male' })
+      family_member = FamilyLinkageService.child_to_family_member(child)
+      expect(family_member['relation_name']).to eq('FirstName LastName')
+    end
+  end
+
   describe 'family_to_child' do
     it 'returns the family details for a child' do
       family_details = FamilyLinkageService.family_to_child(family1)
@@ -141,7 +197,7 @@
         [
           {
             'unique_id' => '001',
-            'relation_name' => 'Member 1',
+            'relation_name' => 'MemberFirst MemberLast',
             'relation_nickname' => 'Member 1 Nickname',
             'relation_sex' => 'male',
             'relation_age' => 10,