O'BRIEN - Robert J., of Marshfield, February 13, beloved husband of Susan (Peterson) O'Brien. Loving father of five children and one stepson Charlene Casamento of North Haven, CT, Robert O'Brien Jr. of Tampa, FL, Linette Reed of Somerville, Christopher O'Brien of East Boston, Robert Edwards of Palm Bay, FL, Heather O'Brien of Marshfield and the late Sean O'Brien. Devoted grandfather of 6 grandchildren. A Funeral Service will be held at the Christ Lutheran Church, 460 Chief Justice Cushing Highway, Scituate, MA. Monday, at 10:30 a.m. Relatives and friends invited. Visiting hours at the MacDonald Funeral Home, 1755 Ocean St. (Rte. 139), Marshfield, Sunday, 2:00 to 4:00 and 7:00 to 9:00. Contributions may be made to Jordan Hospital Oncology, 275 Sandwich St., Plymouth, MA 02360 or Christ Lutheran Church. Private family interment.