WARE — More than three dozen mourners braved blizzard conditions and treacherous travel yesterday to say their farewells to a slain West Brookfield mother and her three young children.Despite the nor’easter, funeral services went on as planned at All Saints Catholic Church in Ware for Sara Bermudez, 38, her daughter Madison, 8, and sons James, 6, and Michael, 2.Bermudez, a native of El Salvador, and her children were interred together in a special casket at the request of their family.