His oldest daughter, Amelia Frances Howard-Gibbon, later became a well-known artist in Ontario, Canada, and the annual Canadian children's illustration award is named for her.
Howard married Mary Butler, daughter of John Butler (or Boteler) and Elizabeth Villiers, and had two sons, Thomas, 2nd Baron Howard of Escrick, who married Elizabeth Mordaunt, daughter of John Mordaunt, 1st Earl of Peterborough, and William Howard, 3rd Baron Howard of Escrick, notorious both as a rebel and as an informer and double agent.
James Cook named Norfolk Island in honour of the Duchess of Norfolk in 1774, although he did not know at the time that she was already dead.
In 1512 Sir Edward Howard took over as Lord Admiral, and attacked on 10 August, with inconclusive results despite a memorable slugging match between the English Regent and the French Cordelière resulting in the destruction of both.
William Howard Taft | John Howard | Howard Hughes | King Edward VII | Edward I of England | Edward III of England | Edward VIII | Edward VII | Howard Stern | Prince Edward Island | Prince Edward, Earl of Wessex | Edward III | Edward | Howard University | Edward Heath | Edward G. Robinson | Edward Albee | Ron Howard | Edward Elgar | Howard Dean | Edward I | Howard Hawks | Howard Zinn | The Howard Stern Show | Robert E. Howard | Edward IV of England | Edward VI of England | King Edward's School, Birmingham | Edward Hopper | Edward Gibbon |
His longtime mistress, Mary Ann Gibbon (a cousin of Edward Gibbon), was reputed to be his secret third wife and she had five children by him, including two sons who were officers of arms, Matthew Howard-Gibbon, and Edward Howard-Gibbon.
The peerages created for him died out with his grandson the 9th Duke in 1777, though the current Baron Mowbray descends from the 9th Duke.
By his wife Elizabeth, daughter of William Howard, 3rd Baron Howard of Effingham, he left two sons: Henry Mordaunt, 2nd Earl of Peterborough and John, afterwards Lord Mordaunt of Reigate and Viscount Mordaunt of Avalon; and a daughter, Elizabeth, who married Thomas, son and heir to Edward Howard, 1st Lord Howard of Escrick.