Another brother of Robert and of Thomas. They are both mentioned in the Sheriff Court Records 1623 - 1675, Nos. 798, 683, and 2264, which clearly state the relationships of this generation. He often witnessed deeds, but those concerned with the religious troubles of those times, which were important, were witnessed by senior local people, for instance, the laird of the Isle himself and MacClellan.
Source: Robert Halliday Lidderdale, An Account of the Lowland Scots Family of Lidderdale, 1950.