Editing Josef Mengele (section)

===Later life and death===
In 1969, Mengele and the Stammers jointly purchased a farmhouse in [[Caieiras]], with Mengele as half owner.{{sfn|Posner|Ware|1986|p=223}} When Wolfgang Gerhard returned to Germany in 1971 to seek medical treatment for his ailing wife and son, he gave his [[Identity document|identity card]] to Mengele.{{sfn|Levy|2006|p=289}} The Stammers' friendship with Mengele deteriorated in late 1974, and when they bought a house in São Paulo, he was not invited to join them.{{efn|name=relationship|Based on entries in Mengele's journals and interviews with his friends, historians such as [[Gerald Posner]] and Gerald Astor believe that Mengele had a sexual relationship with Gitta Stammer.{{sfn|Posner|Ware|1986|pp=178–179}}{{sfn|Astor|1985|p=224}} }} The Stammers later bought a bungalow in the Eldorado neighborhood of [[Diadema, São Paulo]], which they rented out to Mengele.{{sfn|Posner|Ware|1986|pp=242–243}} Rolf, who had not seen his father since the ski holiday in 1956, visited him at the bungalow in 1977; he found an "unrepentant Nazi" who claimed he had never personally harmed anyone and [[Superior orders|only carried out his duties]] as an officer.{{sfn|Posner|Ware|1986|pp=2, 279}}

Mengele's health had been steadily deteriorating since 1972. He suffered a [[stroke]] in 1976,{{sfn|Levy|2006|pp=289, 291}} experienced high blood pressure, and developed an ear infection which affected his balance. On 7&nbsp;February 1979, while visiting his friends Wolfram and Liselotte Bossert in the coastal resort of [[Bertioga]], Mengele had a heart attack while swimming and drowned.{{sfn|Evans|2008|p=746}} His body was buried in Our Lady of the Rosary cemetery in [[Embu das Artes]] under the name "Wolfgang Gerhard",{{sfn|Montalbano|1985}} whose identification Mengele had been using since 1971.{{sfn|Blumenthal, July 1985|p=1}} Other aliases used by Mengele in his later life included "Dr. Fausto Rindón" and "S. Josi Alvers Aspiazu".{{sfn|Zentner|Bedürftig|1991|p=586}}