Miss Montalvo, H. M. Cuellar To Be Married LAREDO Sp) -- Mr. and Mrs. Alfredo Montalvo of Hebbronville Hebbronville have announced the engagement engagement of their daughter. Gen- ovita. to Hector Manuel Cuellar, son of Mr. and Mrs. Alonso Cuellar Cuellar of Laredo. The wedding will be in August. The bride-elect attended Ursuline Ursuline Academy and Texas Woman's University. She will receive receive a bachelor of science degree degree in home economics from Incarnate Word College this spring. Her fiance, stationed with the Air Force it Harlingen. attended attended St. Joseph's Academy and Laredo Junior College.