The Richard Cottrell that you have in your documents from Henrico County, VA is Richard Cottrell that was chr. 17 Dec 1710 in St. Peters Parish, New Kent Co., VA.He was the son of Richard and Anne (Waddill) Cottrell. He first married Judith Smith then his second wife was Mary Alley.
The Alexander Pattison that you have in your documents from Henrico Co., VA is Alexander Pattison that was chr. 30 Jan 1724/1725 in the St. Peters Parish, New Kent Co., VA. He was the son of Alexander and Martha (Hatcher) Cottrell.He was married to Sicily Gathright.
Martha (Hatcher) Cottrell was the widow of Thomas Cottrell who was an uncle to Richard Cottrell.
Thomas Alley on the records is the father of Mary Alley that was the second wife of Richard Cottrell.
The John Lankester/Lancaster maybe the one that married Anne Cottrell who was the daughter of Richard Cottrell and first wife Judith Smith.Or it maybe the father of John Lankester/Lancaster who was also called John.Most likely was the son John.
And there also lots of other names that can be verified from earlier records and wills and bible records.