I believe is is always preferable to start with yourself and work backwards, making sure of the validity of each generation.

Henry Clark buried German 24 Jan 1836 age 65

Margaret Clark als Corlett buried 28 Sep 1851 German age 81 residence Ballacross

IGI lists marriage 26 Jun 1802 German
IGI lists children:
Thomas ch 19 Jan 1803 German
John ch 3 Apr 1805 German
Henry ch 6 Nov 1808 German
William ch 22 Mar 1811 German
George ch 5 Jun 1814 German