Steven J. Hanley - The Psychogenealogist May 12, 2020 Family Artifact Challenge Naturalization Record for Henry Peter Ratz (1867-1934) - Family Artifact Challenge (Day 12) Steven J. Hanley - The Psychogenealogist May 12, 2020 Family Artifact Challenge This is the Certificate of Naturalization for my 2nd great grandfather, Heinrich (Henry) Peter Ratz (1867-1934). It was signed on Monday, February 18, 1895 by Robert H. Shields, the County Clerk in Houghton County, Michigan.