John Lyon, 3rd Lord Glamis was born on an unknown date to Patrick Lyon, 1st Lord Glamis (-1459) and Isabel Ogilvy (?-1484) and died 1 April 1497 of unspecified causes. He married Elizabeth Scrymgeour (c1435-bef1492) 1450 JL .
Children
| Name | Birth | Death | Joined with |
| John Lyon, 4th Lord Glamis (-1500) | 1500 | Elizabeth Gray (-1526) | |
| David Lyon (c1454-1513) | |||
| Christian Lyon (c1463-aft1507) | 1463 | 21 August 1508 | William Hay, 4th Earl of Erroll (1470-1513) |
Footnotes (including sources)
| ‡ General |