Timothy J. Kovar, Tim’s grandfather, enlisted in the United States Army during World War 1. ‹ Previous Tim’s grandfather Timothy J. Kovar with his sisters in Canada, 1908. The family was waiting for permission to enter the U.S. Next › Timothy J. Kovar, Sr., Tim’s grandfather, seen here holding Tim’s father (also Tim), and with his other three sons. Bob, who was killed in 1948 while serving as a test pilot, is on the right. Timothy J. Kovar, Tim’s grandfather, enlisted in the United States Army during World War 1.