Richard Cauthorn IV of Essex Co Va

Richard was b abt 1675 in Essex Co Va. Need the name of his wife & her parents & siblings. His son Vincent Henry was b abt 1713 in Essex. Also need the name of his wife & her parents& siblings. His son Richard b abt 1739. No wife for him either. Richard's son Amos b abt 1788 probably by a 2nd wife. Amos marr Fanny Richards abt 1810. Also need parents & siblings for her. Their son Richard Francis Theopolis b 7 Feb 1814 marr Frances ( Fanny ) Greenwood abt 1845. Also need her parents & siblings. Have 4 children for them. Have this Cauthorn line back to Richard I. b abt 1600 in Middlesex England but am missing all the wives from Richard I. down to Amos. Any info appreciated.
Ollie