Jannet Duff’s born in Little Dunkeld, Scotland
25 Nov 1764
22 Jan 1768
11 Sep 1770
25 Mar 1772
29 Dec 1770
28 Feb 1772
12 Jul 1761
William Roger
4 Apr 1762 Ceres, Fife, Scotland William Roger / Margaret Kirk
23 Feb 1762 Scoonie, Fife, Scotland Andrew Roger / Helen Wilson
Feb 1762 Scoonie, Fife, Scotland William Roger / Margaret Lennie
William Rodger
25 Apr 1762 Meigle, Perth, Scotland James Rodger
I also found 6 more William’s with the last name Rodger, that were born in the 1760’s. That spelling does not match the 8 birth certificates or the marriage certificate.