King Siorna Sirsaeglach ("the Long-Lived") of Ireland
Siorna Sirsaeglach, known as "the Long-Lived", was born in 1280 BC.  He died  due to killed by the 34th Monarch in 1030 BC.

 Prince Olioll Aolcheon of Ireland
Olioll Aolcheon was born in 1100 BC.