His son from his second marriage to Mildred Cooke , Sir Robert Cecil , was created Earl of Salisbury in 1605 and is the ancestor of the Marquesses of Salisbury .
Head entity: sir robert cecil Q704171 10 11 12
Tail entity: mildred cooke Q13420582 7 8
Relation (head \u2192 tail): P25
Inverse relation (tail \u2192 head): P40