__ | _Peter SHIRK ________| | | | |__ | _John SHIRK _________| | (1781 - 1831) | | | __ | | | | |_ ZIMMERMAN _________| | | | |__ | | |--John SHIRK | | __ | | | _____________________| | | | | | |__ | | |_Catherine WEAVER ___| | | __ | | |_____________________| | |__