The man who married the daughter of the author of Utopia died in what year?
William Roper: William Roper (c. 1496 – 4 January 1578) was an English lawyer and member of Parliament. William Roper:  The son of a Kentish gentleman, he married Margaret, daughter of Sir Thomas More. Thomas More:  He wrote "Utopia", published in 1516, about the political system of an imaginary ideal island nation.
1578