John was born in 1690 in Stirlingshire and his baptism took place on May 4th, 1690 in Stirling.
Birth Notes
Name John Lorn Sex Male Christening Date 4 May 1690 Christening Place Stirling, Stirlingshire, Scotland Christening Place (Original) Stirling, Stirling, Scotland Birth Date 5 Father's Name William Lorn Mother's Name Barbra Miller
"Scotland Births and Baptisms, 1564-1950", database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:VQWJ-FBW : 16 September 2021), John Lorn, 1690.
John's father was William Lorn and his mother was Barbra Miller. He had a brother named William. He was the older of the two children.