Maureen Delacroix is Abraham Morgan ex-wife.
Maureen has been married four times, includes twice to Abe. Both times with Abe ended up in divorce. Their relationship was turbulent and Henry implied that she had attempted to kill Abe. Maureen never met Henry, but suspects that Henry is Abe's secret son.[ep 8]
In "The Ecstasy of Agony", Maureen enters Abe's life again and tries to convince him to go "grand tour" with her. While Abe initially agrees, after further consideration he decides to stay in New York with Henry.