this has been great reading Thanks for asking the question
My Grt,grt grandfather Alfred Benjamine Whitaker, was married to Eliza(in England) and had 12 children ,then left his wife for a younger woman Rebecca Louise and had another 7 children, My grand father was the 2nd youngest of Eliza .When he married my grand mother Elsie Richards , he changed his surname to Frederick John Hart.
Alfred was to be knighted but died before the ceromony took place.