The current death date given for Abraham Ramseyer (21 March 1807) is the date of death for his wife, Catherine Graber. It can be found in the death records of La Sagne, Neuchâtel, Switzerland. It states that her name was Catherine, that she was the daughter of Daniel Graver and the wife of Abram Ramstinne, a resident of la Comba Boudri, and 61 years of age. She died on 21 March 1807 and was buried on the 24th.
His death record can be found at La Sagne, Neuchâtel, Switzerland on 13 May 1826. That record states that he died on the 11th of May and was buried on the 13th. His name is given as Abram Ramzeyer. The records states that he was born on 14 Aug 1745 to Christ Ramseyer of Eggevil and Catherine Béjar.