And her Parents died before her. She has 6 first cousins. 2 cousins died before Susan (both had husbands and children) and 1 cousin died after Susan (had a husband and son). Who are the heirs?
Assuming she had no living great grandparent and no living aunts or uncles, or great aunts or uncles the living first cousins coming from the grandparents would take. See the Massachusetts degrees of kinship chart MPC 960