ETHYLENE=ETHan+berYL+marlENE
ETHan: In order mom, Brenda (maternal cousin), Aunt May (Brenda's mom), BerYL (sister), Darcy (paternal cousin), Debra (maternal cousin), Linda (maternal cousin).
BerYL: In order ETHan (brother), dad, mom, Darcy and Steve (paternal cousins), Aunt May (mom's sister), Uncle Frank (May's husband), Brenda (May and Frank's daughter), Debra (maternal cousin), Linda (maternal cousin).
MarlENE (ETHan's wife): Ron (brother), Jon (brother), father, mother, Aunt Judy (mother's sister)