Some say married 1617.
Married 1614 to Wriothesley, Penelope, Lady
Child 1: Spencer, Elizabeth
Child 2: Spencer, Henry, Earl of Sunderland 1st, b. 1620
Child 3: Spencer, Anne, Lady, b. 1623
Child 4: Spencer, Alice, Countess
Child 5: Spencer, Margaret, Countess, b. 1627
Child 6: Spencer, Robert, Viscount Teviot, b. 1628
Child 7: Spencer, William

http://www3.dcs.hull.ac.uk/cgi-bin/gedlkup/n=royal?royal12925