John Lyon was born on an unknown date to John Lyon (-1382) and Jean Stewart (-1404) and died 1435 of unspecified causes. He married Elizabeth Graham (c1400-1435) 1400 JL .
Children
| Name | Birth | Death | Joined with |
| Patrick Lyon, 1st Lord Glamis (-1459) | 21 March 1459 | Isabel Ogilvy (-1484) | |
| David Lyon (?-?) | |||
| Michael Lyon (?-?) | |||
Footnotes (including sources)
| ‡ General |