Looking for brother-in-law and sister-in-law,( Mr. and Mrs. August Tegtmeyer of Arlington Heights,) of Christian Niemeyer, civil war veteran buried in St. Peter's cemetery, Schaumburg, Il. Christian Niemeyer died in 1931, and at this time were listed as these relatives living in Arlington Heights.....I would like to know her first name and maiden name.. Unable to find them in 1930 village of Arlington Heights, Wheeling township census. Does anyone know how I can find these people? In what cemetery are they buried...I found them in 1920 census living on Vail St. in Arlington Heights, August Tegtmeyer, 68 and her lst name is given as Wilhelmina , 64 , and son Fredrick 38 and single living with them..All three born in Germany.I have lost them from there. Any suggestions or help would be greatly appreciated....Thanks!