Henry's first familyHenry and Selina were married in 1862 in Birmingham, Warwickshire. They had a daughter named Selina.....
Henry's second familyHenry and Catherine were married in 1869 in Birmingham, Warwickshire. They had four sons and five daughters, named Henry, William, James, Thomas, Eliza, Catherine, Selina, Hannah and Ellen.....
It's not a bug as much as an omission, but perhaps the phrase should include the surname of the spouse ?
eg
Henry's first familyHenry and Selina Dixon were married in 1862 in Birmingham, Warwickshire. They had a daughter named Selina.