The boy, Victor Lobato Ochoa, died July 23. That day, Victor and his siblings — ages 9, 5 and 2 at the time — were on a 16- to 17-foot Bayliner Capri motorboat with their parents, Mariana Ochoa and Jesus Lobato Hernandez, their adult friend and the boat operator, the complaints stated. All of them except the adult friend were wearing life jackets.