Solomon's Baby A is a Co-op Baby in The Binding of Isaac.
Supposed to be composed of 2 parts and be controlled similar to  Jacob and Esau, but its effects are not implemented yet.
 Jacob and Esau, but its effects are not implemented yet.
Earn all Hard Mode completion marks as  Jacob and Esau.
 Jacob and Esau.
This baby was added in Repentance.