John Lyon, 4th Earl of Strathmore and Kinghorne was born 8 May 1663 in Huntly Castle, Scotland, United Kingdom to Patrick Lyon, 3rd Earl of Kinghorne and Strathmore (1643-1695) and Helen Middleton (c1645-1708) and died 10 May 1712 of unspecified causes. He married Elizabeth Stanhope (1663-1723) 21 September 1691 .
Children
| Name | Birth | Death | Joined with |
| Patrick Lyon, Lord Glamis (1692-1709) | |||
| Philip Lyon, Lord Glamis (1693-1712) | |||
| Helen Lyon (1695-1723) | |||
| John Lyon, 5th Earl of Strathmore and Kinghorne (1696-1715) | 1696 | 13 November 1715 Sheriffmuir, Perthshire, Scotland, United Kingdom | |
| Mary Lyon (1697-1780) | |||
| Charles Lyon, 6th Earl of Strathmore and Kinghorne (1699-1728) | 1699 Scotland, United Kingdom | 11 May 1728 Forfar, Angus, Scotland, United Kingdom | Susan Cochrane (bef1710-1754) |
| Hendrie Lyon (1700-) | |||
| Elizabeth Lyon (1701-) | |||
| James Lyon, 7th Earl of Strathmore and Kinghorne (1702-1735) | 1702 | 4 January 1735 Edinburgh, Scotland, United Kingdom | Mary Oliphant (1701-1731) |
| Thomas Lyon, 8th Earl of Strathmore and Kinghorne (1704-1753) | 1704 | 18 January 1753 Glamis Castle, Angus, Scotland, United Kingdom | Jean Nicholson (1713-1778) |
| Catherine Lyon (1707-) | |||
Footnotes (including sources)
| ‡ General |
| ¢ Children |
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