On the 1850 Cenus for Liberties, PA I have a Matthew Groeninger and family. I can't seem to find where he fits into my line. Can anyone track his parents down for me please?

Information I have from the Census:

Matthew Groeninger (weaver), Germany born abt 1829
children:
wife I believe: Elizabeth abt 1831
name I can't make out (male) 1838
Caroline 1841 (female)
Louisa 1842 (female)
Catherine 1845 (female)
Elizabeth 1847(female)
Geo. 1849 (female)

I am thinking he might be like a brother or something to someone in my tree but haven't been able to track his parents down. As I show my Groeninger's coming from Germany to Pennsylvania and then Indiana. Am thinking maybe he is related to Fredrick Groeninger (1809 Germany) or Henry Groeninger (abt 1838 PA and died in 1913 Vanderburgh Co. IN.

Thanks for your help,
Brandie