Missing Allen Slawson Knowles

[old queen]

I am missing Allen Slawson Knowles baptised 28 Aug 1842 I have found
the rest of the family but not him. I did find a Allen Staughton Knowles
buried in St Wendreda March Camb, 28 Dec 1855 13years old., the age would be right and  we do have a George Slawson Knowles buried in
Wendreda in1845. Would the name of the parents be on the headstone
would both boys be buried together. If it would'nt be to much trouble
if anyone is visiting this churchyard if they come across the graves could they please see if they can find the parents name and post it to me.
I thank you for reading my request.
old queen.

[Shazzam]

Hi old queen,

Your family is on the 1851 census 

[Shazzam]

The family is on the 1861 census.