John was born about 1695, the son of unknown parents. The place is not known.
His wife was Agnes Allan, who he married on 21 NOV 1718 in Clackmannan, Clackmannanshire, Scotland. Their five known children were Robert (c1720-?), James (c1726-?), John (c1729-?), Janet (c1731-?) and Agnes (c1738-?).
!Source:http://www.scotlandspeople.gov.uk/ OPR Banns & Marriages
Date Surname Forename Spouse Name No Sex Parish
21/11/1718 IZAT JOHN AGNES ALLAN/ M CLACKMANNAN
!Source:http://www.scotlandspeople.gov.uk/ OPR Births & Baptisms
Date Surname Forename Parent Names Sex Parish
17/04/1720 IZAT ROBERT JOHN IZAT/AGNES ALAN U TULLIALLAN
25/11/1726 IZAT JAMES JOHN IZAT/AGNES ALAN U TULLIALLAN
31/08/1729 IZAT JOHN JOHN IZAT/AGNES ALLAN U TULLIALLAN
31/10/1731 IZAT JANET JOHN IZAT/AGNES ALLAN U TULLIALLAN
08/10/1738 IZIT AGNES JOHN IZIT/AGNES ALLAN F CARRIDEN
Most likely birth looks to be:
13/01/1685 OZAT JOHN ROBERT OZAT/JENNET KINGHO U CRAIL