Know this has been awhile since your notice was posted. But I too am a descendant of Robert Aitken. Am interested in any info can get. Have Robert married to Janet Skeoch on July 11,1763 in Scotland. Then Robert Jr. married to Nancy Ann Pearson Aug. 9, 1787 at the 3rd Presbyterian Church in Philadelphia, Pa.. Robert Jr had 4 sons and 1 daughter. William Bryan the youngest was my gr grgrandfather. Please notify me if anyone has any info on this family