Robert Lee Titus, 70, of Great Falls, a retired teacher, counselor, and assistant administrator for the California and Nevada "public" schools, died on Sunday, October 14, 2012 at his residence of leukemia.A memorial service will be held at Valley Community Bible Church on Friday, October 26, 2012 at 11:00 a.m. Schnider Funeral Home is handling the arrangements.Robert is survived by his wife Esther Faith Titus of Great Falls; daughter Robin Elizabeth Mercer of Great Falls; son Robert Scott Titus of Palmer, AK; sisters Linda Mae Bensing and Kathleen Diane Isham both of Concord, CA; and seven grandchildren.