World's oldest siblings [PHOTOS, VIDEO] 818 years. The world's oldest siblings include nine brothers and sisters who have 818 years between them and have been added to the Guinness World Records.

The Melis siblings hail from the island of Sardinia.

The oldest sibling, Consolata, is 104 and has nine children, 24 grand-children and 25 great-grandchildren.

The next oldest are Claudia (99), Maria (97), Antonio (93), Concetta (91), Adolfo (89), Vitalio (86), Vitalia (81), and Mafalda (78).

Claudia still attends mass every week and Adolfo runs the local bar.

And, how does one manage to live that long? "You just keep working and you eat minestrone, beans and potatoes," Claudia says.