Charles Prease, 2nd Lord VeseyCharles Prease, 2nd Earl of Vesey
Legal father: "Mad" Randolph Prease, 1st Earl of Vesey.
Mother: Betty Crowley, d 1718.
She'd made secret marriage with Henry, Duke of Gloucester (1640-1660), brother to Charles II, but he died before the marriage could be made known. She married Randolph Prease, Henry's friend.
That the child was probably Henry's is known, but the marriage is not.