Philip Sidney, 3rd Earl of Leicester
Sidney was the son of Robert Sidney , 2nd Earl of Leicester , and his wife Dorothy Percy , daughter of Henry Percy , 9th Earl of Northumberland . 
<triplet> Robert Sidney, 2nd Earl of Leicester <subj> Dorothy Percy <obj> spouse <triplet> Dorothy Percy <subj> Robert Sidney, 2nd Earl of Leicester <obj> spouse <subj> Henry Percy, 9th Earl of Northumberland <obj> father <triplet> Henry Percy, 9th Earl of Northumberland <subj> Dorothy Percy <obj> child