Given the question: - issue is james eglinton archibald , 11th earl of eglinton lady elizabeth montgomerie , lady helen montgomerie lady susan montgomerie lady margaret montgomerie lady lord christian montgomerie lady charlotte montgomerie lady grace montgomerie lady frances montgomerie montgomerie alexander , 10th earl of - death place is auchans castle - caption is lady eglinton - reign is 1709 - 1729 - mother is hon. elizabeth leslie - spouse is alexander montgomerie , 9th earl of eglinton - death date is 18 march 1780 - house is clan kennedy - father is sir archibald kennedy , 1st bt . - birth date is 01 january 1690 - image size is 240px - image is susanna montgomery nee kennedy.jpg - birth place is culzean castle - consort is yes Given the details above, guess who could this information be about.
The answer is:
susanna montgomery , countess of eglinton