Translated from the biography established by the AFMD (Friends of the Foundation for the Memory of Deportation from the Allier Department):

Léon SKOSOWSKI

Léon Skosowski was born on October 26, 1884 in Sarreguemines in the Lorraine department of the Moselle.
He was the son of Joseph Skosowski and Léa née GOLDBERG. On April 13, 1885 he wed Dorothée née STEINFELS in Sarreguemines.
He and his wife Dorothée sought safety in the town of le Donjon (Allier Department) on August 10, 1941 and were not repertoried as French Jews.
They took up residence on the rue Gacon Poncet in le Donjon, where they were reunited with Léon’s three sisters — Mina, Nanette and Rachel, all three of whom were widowed.
He was inventoried as a French Jew by the French state in 1943.
 
(Source for the adjacent document: Departmental archives of the Allier department 996 W 778 W 112)
 
He was arrested on June 10, 1944 by the Germans and interned in the Mal-Coiffée German military prison in Moulins (Allier department)
 
Transferred on July 15, 1944 from Moulins to Drancy, he there was attributed I.D. n° 25168.
On July 31, 1944 he was deported from Drancy to Auschwitz in convoy n° 77.
 
(The document below was extracted from the list of convoy n° 77. Source Mémorial de la Shoah C 77_55)
 
In  Le Mémorial de la Déportation des Juifs de France, Serge Klarsfeld writes about convoy n° 77: “The number of deportees was 1300. This convoy 77 (…) hauled toward the Auschwitz gas chambers more than 300 children under the age of 18. (…) 291 men were selected with I.D. numbers B 3673 to B 3963; the same for 283 women (A 16457 to A 16739). In 1945 there were 209 survivors, of whom 141 were women”.
He died on August 5, 1944 at Auschwitz according to the Sarreguemines public records and the Journal Officiel n° 65 of March 18, 2003.
“Died for France”
Sources:
– Archives of the Allier Department 996 W 123.02, 121.02, 996 W 122.01, 996 W 778 W 112,
– Archives of the Puy-de-Dôme Department 908 W 562
– Contemporary Jewish Documentation Center
– Public Records Office of Sarreguemines (Moselle department)
– Klarsfeld, Serge: List of the transfers to Drancy on July 15, 1944
– Klarsfeld, Serge: Memorial to the Jews Deported from France: 1942-1944 1978[:pl]