Hi Keith
This is to go along with Alex's posting of the 1851 census. I am assuming both David's lived in the same household.
07 Dec 1838 David Brown & Euphemia
Williamson AuchinleckJean Brown B F 18 Jul 1839
Auchinleck parents David Brown & Euphemia
WilliamsonMary Brown C F 18 Jul 1841
Auchinleck parents David Brown & Euphemia
WilliamsonJohn Brown C M 30 Jul 1843
Auchinleck parents David Brown & Euphemia
WilliamsonJames Brown C M 05 Oct 1845
Auchinleck parents David Brown & Euphemia
WilliamsonAnn Brown C F 05 Jul 1846
Auchinleck parents David Brown & Euphemia
WilliamsonDavid Brown C M 23 Apr 1848
Auchinleck parents David Brown & Euphemia
WilliamsonRobert Brown C M 09 Jun 1850
Auchinleck parents David Brown & Euphemia
WilliamsonWilliam C M 27 Mar 1853
Auchinleck parents David Brown & Euphemia
Williamson03 Jul 1846 David Brown & Agnes
Nimmo Auchinleck03 Jul 1846 David Brown & Agnes
Nimmo Sorn
James Brown C M 05 Jul 1848
Auchinleck parents David Brown & Agnes
NimmoGeorge Brown C M 15 Apr 1849
Auchinleck parents David Brown & Agnes
NimmoMargaret Brown C F 02 Mar 1851
Auchinleck parents David Brown & Agnes
NimmoKate