On 02 Jul 1644 the Battle of Marston Moor was fought near Tockwith [Map] in Yorkshire. Alexander Seton aka Montgomerie 6th Earl Eglinton (age 56) fought for the Royal army. Lionel Carey (age 22) was killed. John Hay 1st Marquess Teviotdale (age 18) fought for the Parliamentary army.

At the Battle of Marston Moor Lucas (age 31) swept Fairfax's Yorkshire horse before him, but later in the day he was taken prisoner, in a battle won decisively by Parliament.

John Dolben (age 19) fought for the Royalists.

William Eure was killed.

Philip Musgrave 2nd Baronet (age 37) fought for the Royalists.

John Fenwick (age 42) was killed.