Who is Sheldon Edwards from --and Ladies of the Club and what is their importance?

Sheldon Edwards is Kitty Lowrey's husband. He worries greatly about sharing his love with his two sons equally, after Kitty dies in childbirth delivering their second child. Sheldon does not remarry while his boys are growing up, but after he is finished with the task of raising them as a single father, he goes onto marry Jessamine Stevens.