Tá mo dheirfiúr ocht mbliana (d'aois).
My sister is eight years (of age).
Tá mé ocht mbliana (d'aois). I am eight years (of age).
Sister = 5 David = 13
David Tennant's sister is eight years older than him, and his brother is six years older than him.
She is eight years older than him, which makes her 49 in 2012.
Lytrell "Tootie" Bundy is about 36 years old (born 1981), eight years older than Chris.
He has an older sister named Courtney who is a photographer, and a younger brother, about eight years old.
If the boy is four years old and his sister is three times as old, then she is 12 years old. The age difference between them is 8 years (12 - 4). When the boy is 12 years old, his sister will be 12 + 8, which makes her 20 years old.
His sister is 13 years old
If you mean "now you are 100 years old", then, my sister is now 98 years old, since she was 2 when I was 4.
22
99
Eight years olds should be eight years old.