Looking for info on Great Great Grandfather Petter. He was born in Luxembourg about 1835. Parents unknown.Peter married Margaret, born 1843 Prussia.They settled in the Detroit area and had4 children, Christina,Edward, Margret and Peter Alvis. I do not know death dates for Petter or Margaret nor burial sites. ANY info would be greatly appreciated. Please contact me at:Rosebudd48603@aol.comThank you!