Rig Character to UE4 skeleton in Blender - Tutorial - YouTube
Addon] Blender to UE4 : Rig Any character wth the Mannequin skeleton - YouTube
Exporting the Mannequin Skeleton from Unreal Engine 4 to Blender and Re-importing | Unreal Engine Community Wiki
Export Mannequin from UE4 to Blender and Reimport – Deplorable Mountaineer
Blender to UE4 - Free Mannequin Add-on (Update 1.1) - No More Re-targeting Animations/Meshes! (Mannequin animations can now also be imported and converted to be editable in Blender!) : r/unrealengine
Using the 4.8 skeleton for blender animations? - Character & Animation - Unreal Engine Forums
Is it normal for the bones in UE4 to show in the position of their parents when importing from Blender? Or am I doing something wrong? : r/unrealengine
Rigging a character for Unreal Engine 4 with Blender, Rigify and Uefy 2 - YouTube