Phone number listed for Gertrude is (410) 535-6263. L E Williamson, Lewis E Williamson, Kaufman Jeffrey Williamson and one other person are people possibly related to Gertrude. Gertrude has reached the age of 84 years. The residency of Gertrude is at 1260 Roundtop Rd, Odenton, Md 21113. Cities Gertrude has lived in before are Huntingtown, Crofton and Odenton. Her birth year was listed as 1939.