Lady Helen Lyon (died 1723) (d. 1723) Parents John Lyon, 4th Earl of Strathmore and Kinghorne Elizabeth Lyon, Countess of Strathmore Children Alexander Stuart Siblings Hendrie Lyon Thomas Lyon, 8th Earl of Strathmore and Kinghorne Lady Mary Lyon Philip Lyon, Lord Glamis James Lyon, 7th Earl of Strathmore and Kinghorne Patrick Lyon, Lord Glamis Lady Catherine Lyon John Lyon, 5th Earl of Strathmore and Kinghorne Charles Lyon, 6th Earl of Strathmore and Kinghorne Partners Robert Stuart, 7th Lord Blantyre