Rosa/Rose/Roza Oppenheim, née Liepmann/Lipman - german - Gedenkbuch - Gedenkbucheintrag - according to this source she was born in Bücken/Hoya/Hannover
MtL - Mapping the Lives - she lived in Aachen before the war
„Roza Oppenheim nee Lipman was born in Buecken, Germany in 1885 to Moses and Fani. She was married to Albert. Prior to WWII she lived in Aachen, Germany. Roza was murdered in the Shoah (according to this source).“ - https://yvng.yadvashem.org/nameDetails.html?language=en&itemId=1279817&ind=2
the page of testimony was submitted by her daughter Gerda, married Dahl, born in Velmede/Meschede in 1910, this should be her: Gerda Oppenheim (1910 - 1990) - Genealogy - according to this source she died in Poughkeepsie, N.Y, in 1990