In reference to your posting, copied and pasted below, the following is provided.
Lancaster Co., Va. was formed in 1651, not 1652. Spotsylvania Co., Va. was formedin 1721 from Essex, King William, and King and Queen counties.
YOUR POSTING: Some County creations I know. Lancaster Co. from Northumberland and York - 1652 Old Rappahannock Co from Lancaster Co. - 1656 Middlesex Co. from Lancaster Co. - 1673. Essex Co. from Old Rappahannock Co. - 1692 Spotsylvania Co. from Essex Co - ??