Original sentence: In 1974 the Manor was purchased by Betty Leslie-Melville and her husband Jock, along with 15 of the original 150 acres.Inevitably the purchase would result in the land being sub-divided into smallholdings and the giraffe being slaughtered...Since then a further 60 of those original acres have also been purchased, which along with an additional 40 acres gifted by Peter Beard which used to form part of his "Hog Ranch" has brought the total acreage of the Manor up to 115 acres.The Manor was was modelled on a Scottish hunting lodge, and was constructed in 1932 by Sir David Duncan, a member of the Mackintosh family of Mackintosh's Toffee fame on 150 acres of land running down to the Mbagathi River, the southern boundary of the city of Nairobi
Edited sentence: In 1974 the Manor was purchased by Betty Leslie-Melville and her husband Jock, along with  of the original 150 acres.Inevitably the purchase would result in the land being sub-divided into smallholdings and the giraffe being slaughtered.Since then a further  of those have also been purchased, which along with an additional 40 acres gifted by Peter Beard which used to form part of his "Hog Ranch" has brought the total acreage of the Manor up to.The Manor was was modeled on a Scottish hunting lodge, and was constructed in 1932 by Sir David Duncan, a member of the Mackintosh family of Mackintosh's Toffee fame on  of land running down to the Mbagathi River, the southern boundary of the city of Nairobi