Edna Parker, who became the world’s oldest person more than a year ago, has died in the US at the age of 115.

Edna Parker, who became the world’s oldest person more than a year ago, has died in the US at the age of 115.

MAYBE it was a lifetime of chores on the family farm that accounts for Edna Parker’s long life. Or maybe just good genes explain why the world’s oldest known person turned 115 yesterday, defying staggering odds.