Isaak Klein was born on July 29, 1846 in Poppenlauer. His wife was Sophie Cromwell, born in Gunzenhausen. The couple married on August 4,1879 and had four children - Lina, born on 7.Jni 1880 in Poppenlauer, - Gerdi, born on 15.März 1882 in Poppenlauer, - Siegfried, born on. May 30, 1884 in Gunzenhausen, - Theodor, born March 3, 1886 in Gunzenhausen. The couple ran a ladies' clothing store at Gerberstra;e 7 and lived at Burgstallstra;e 1. The two daughters Lina and Gerdi married and lived in Berlin.

Joseph Blumenstein was born on 11.04.1828. The parents were Enslein Blumenstein and Getti, née Bernheimer. Joseph Blumenstein, a merchant and master weaver, was married to Doris Dormitzer, born in Baiersdorf on Oct. 12, 1837. In 1863 the couple bought the house - Am Marktplatz 5 -  and ran a weaving mill and a cut goods and hop trade in it. After the death of Joseph Blumenstein in 1891, the widow continued to run the business as a gallantry shop until 1915. Subsequently, four daughters continued to run the business as a manufactory and ready-made clothing store.

The cemetery at the Stichstra;e "Am Judenfriedhof", an extension of the Dammackerweg, probably exists since at least 1749. The first ascertainable burial, the gravestone Levi Selig, points to the year 1840. The jüngste gravestone was for a long time that of the couple Arnold and Else Frank, who were buried here in 1936 and 1938. From the time before the Second World War, a total of 52 graves with 51 gravestones are preserved.

The Jewish cemetery on the Peiner Landstra;e is located directly at the city's North Cemetery (former Central Cemetery). Created  he was in 1891 and is occupied he since 1896 until today. 

The new creation of a central Begräbnisstätte took place after a decision of the Hildesheim magistrate to close all innerstädtischen Friedhöfe. This decision also affected the old Jewish cemetery at the Teichstra;e.

The Jüdische Friedhof Harburg, also Jüdischer Friedhof Schwarzenbergstra;e was the Begräbnisplatz of the synagogue community Harburg-Wilhelmsburg, it is located in today's Hamburg district of Harburg on the Schwarzenbergstraße above the Elbhang and covers about two hectares.

The cemetery probably exists since the beginning of the settlement of Jews in Harburg at the beginning of the 17th century. Century, spätestens since 1690.

1813 he was heavily damaged by Schanzarbeiten French soldiers, so that today no älteren Gräber more are preserved.