Records are as follows:
John Thomas (Owen)1765-1830 (Clochnant Issa, Hirnant) i.e. John, son of Thomas Owen
marries 1788
Elizabeth Evans 1765-1840
Children:
Sep 1789 John
Nov 1791 Elizabeth
Apr 1794 Rowland (he married one of my relations!)
Jun 1797 David
Mar 1800 Margaret
Aug 1803 Catharine
Aug 1808 Thomas (married Anne Davies 1835 she died in 1847 but both are on the 1841 census living at Clochnant Issa...then he married Jane Williams nee Jones 1849...this family are on the 1851 census onwards)
Cheers