. ▁The ▁Rock ingham ▁fil ly ▁never ▁rac ed ▁under ▁the ▁name ▁" All ab ac ul ia " ▁and ▁was ▁instead ▁known ▁as ▁Lord ▁Rock ingham ' s ▁" br . ▁b . ▁f . ▁by ▁Sam pson ", ▁an ▁abbre viation ▁for ▁a ▁brown - bay ▁fil ly ▁s ired ▁by ▁Sam pson . ▁Her ▁name ▁was ▁mentioned ▁in ▁ 1 9 th ▁century ▁racing ▁publications ▁by ▁ 1 8 2 8 . ▁The ▁name ▁" Al ab ac ul ia " ▁is ▁most ▁likely ▁derived ▁from ▁the ▁name ▁of ▁ 1 8 th ▁century ▁advent urer ▁Ali ▁Bey ▁K uli ▁that ▁revol ted ▁against ▁the ▁Ott oman ▁Por te ▁in ▁ 1 7 7 0 ▁and ▁attempted ▁to ▁re inst ate ▁Egypt ian ▁independence . ▁An ▁oil ▁painting ▁of ▁the ▁fil ly ▁by ▁Benjamin ▁K illing beck ▁was ▁au ction ed ▁by ▁S othe by ' s ▁in ▁ 1 9 8 3 ▁for ▁£ 1 3 , 0 0 0 ▁($ 2 0 , 6 5 4 ). ▁ ▁Racing ▁career ▁▁ 1 7 7 6 : ▁three - year - old ▁season ▁In ▁her ▁first ▁start , ▁Rock ingham ' s ▁brown - bay ▁fil ly ▁was ▁third ▁in ▁a ▁ 2 5 - gu inea ▁subscription ▁race ▁at ▁Not ting ham . ▁The ▁St . ▁Leg er ▁St akes ▁was ▁not ▁formally ▁run ▁under ▁that ▁name ▁until ▁ 1 7 7 8 . ▁At ▁the ▁time ▁of ▁the ▁race ' s ▁found ing ▁on ▁T ues day