Familysearch.org (FS) has the following information available which I hope may be of use.
Philippus Merten FS ID 2Z96-ZQ2 born 1808 Tünsdorf, Rheinland, Preussen, Germany – died 1 January 1877 Slinger, Washington, Wisconsin, United States
Spouse Elisabetha Vogt LD13-PTM born 1810 Prussia Germany – died July 1861 Polk, Washington, Wisconsin, United States – buried Saint Peters Cemetery, Slinger, Washington, Wisconsin, United States
Marriage is shown as 6 March 1832 Katholisch, Halsenbach, Rheinland, Prussia
I suggest you go to Familysearch.org to check ALL the information that they have available
NOTE: I am passing this on for your information – I can only be guided by what is on that site, CORRECT OR NOT
Cheers Ross Geissmann