Though a fan of astronomy, I have no idea what a "plusa" is. Please explain, or check the spelling.
Assuming that plusa is a typo, the answer is 2.
Edward Ould died in 1909.
Edward Ould was born in 1853.
Fielding Ould was born in 1710.
The population of Ould Birem is 9,620.
Gregory Ould is 5' 8".
Fielding Ould has written: 'Peace in dying'
Ahmed Ould Daddah was born in 1942.
Dah Ould Abdi was born in 1951.
Lyes Ould Ammar was born in 1983.
Tijani Ould Kerim was born in 1951.
Zeine Ould Zeidane was born in 1966.