Descendants of John Irving McIntyre Generation No. 1 1. John Irving1 McIntyre was born 1938. He married Jeanette May Billings 1968 in Auckland, New Zealand, daughter of Joseph Billings and Mavis Idoine. She was born 1947. More About John McIntyre and Jeanette Billings: Marriage: 1968, Auckland, New Zealand Children of John McIntyre and Jeanette Billings are: 2 i. Andrew John2 McIntyre, born 1970. 3 ii. Avon Perrin McIntyre, born 1973.