GRIERSON (GRIER), William (bef.1688-1760), of Rockhall, Lag, Dumfries.

b. bef. 1688, 1st s. of Sir Robert Grierson, 1st Bt., MP [S], of Lag, by Lady Henrietta, da. of James Douglas, 2nd Earl of Queensberry. m. contr. 8–12 Aug. 1720, Anne (d. 1749), da. of Sir Richard Musgrave, 2nd Bt., of Hayton, Cumb., sis. of Richard Musgrave*, s.p. suc. fa. as 2nd Bt. Dec. 1733. Hist. Scot. Parl. 302–3; Scots Peerage ed. Paul, vii. 137; Scot. Rec. Soc. lxxxviii. 58; Scots Mag. 1749, p. 606; Fergusson, Laird of Lag, 140.