From History of Pittsburgh and Environs:
(Charles Borremeo Milligan) Mr. Milligan married Anna A. Koch, and they have three living children: 1. Mary C., who married Patrick T. Clark, and they have seven children: Eleanor M., Alice G., Joseph C., James G., John F. R., Lorretto, Lillian. 2. Charles E., who married Mary Snyder, and they have four living children: Myrtle, who married John Yarmer; Hazel, who married William J. Buettner, and they have two children: Evelyn and William; Nellie, Charles. 3. Anna E., who married Robert H. B. Abbott, and they have eleven living children : Florence M., RobĀert H. B., Jr., Kathryn E., Joseph C., Ruth A., Mary R., Mildred G., Helen J., Dorothy R., Virginia M., Thelma M.