Seems there are two possible lines here:
Choice 1)
/William STRICKLAND b: Abt. 1659 d: 6 May 1728
/William STRICKLAND b: Abt. 1706 d: 18 Jul 1781
| \Oliffe PITTMAN d: Abt. 1748
Aaron, Sr STRICKLAND b: Abt. 1727 d: 14 Jul 1801
| /William BROWN
\Martha BROWN
\Martha BRASWELLChoice 2
/Matthew STRICKLAND b: Abt 1672
/William STRICKLAND b: Abt 1691
Aaron STRICKLAND b: Abt 1725 d: Bef. Jul 14, 1801
\Mary Whitehead