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In page Margaret Wake, 3rd Baroness Wake of Liddell:

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Margaret married John Comyn IV of Badenoch (c. 1294 – 1314) around 1312, son of the John Comyn who was murdered by King Robert the Bruce in 1306.[1] Her husband John died at the Battle of Bannockburn, and their only child, Aymer Comyn (1314–1316), died as a toddler.[citation needed]