I'm glad I could help.
That Marriage was on F/S.Org.
Maria/George had a a Son William Richardson Casterton
Birth
4 Sep. 1832 Silver Street OR Newland Street Baptist,Kettering,Northampton
Extra info;
Marias Parents Thomas/Mary Batson
George a Shoemaker of Kettering
Birth Reg 7 Feb 1834
1841 he is with Thomas Batson age 65 in Aldwinkle
1851 a Nephew;
Richardson Batre 30 Head Stone Mason born Aldwinkle
Sarah Batre 40 Wife
Alfred Batre 11 Son
William Batre 9 Son
George Batson 3 Mo
William Casterton 18 Nephew Stone Mason
Naomi Palmer 18 Servant
Image is BATSON for Richard etc
So likely Marias Brother RICHARD bapt 25 Oct 1812 to Thomas/Mary