Looking at the 1901 census which you presumably already have - the family were as follows
Address - Clovanside - all Walker children b Forres
George Walker 43 cattle dealer b Rafford
Mary 44 b Fordyce Aberdeen
James 17
Maggie 15
George 15
Alexander 11
Joseph 10
Mary 8
William 6
Richard 4
Margaret Robb 10 niece b Inverness
Forres ED 10 Page 11 Line 15