Census record shows Abram Jakob Sliwkowicz and his wife Cypra (Bruzycka) lived at 48 Pasaź Szulca (now called Aleja 1 Maja), in Łódź, Poland. Their children included Lajb, Jeych Mayer, Laja, Bajla, Dydja, Hendel and Bernard. Another record shows that Estera Slivkowicz lived in the same building with her husband Nuchim Ickowicz.
According to this 1889 marriage certificate, Abram Jacob Slifkowicz and Cypra Bruzycka were wed in Ozorkow. The groom was 22 and the son of Dydi and Chendel (born Jakubowicz). The bride was 23 and the daughter of Dydi Bruzycka and Fajga (born Mularska).
Abram Yakov had a sister, Blima Laje, who was married in 1872. The record lists the bride as Blima Laje Sliwkowicz, 19, the daughter of Dydie and Chendel Jakubowicz. The groom was Lajzer Goldsztajn, 20, the son of Abram Goldsztajn and Surla Hamburg. Abram Jakob Sliwkowicz’s sister – Blima Laje Sliwkowicz – and Lajzer Goldsztajn had a son, Icek Majer, who died on January 10, 1902, at the age of 17.
Estera (Slivkowicz) Ickowicz described how her uncle, Mojsze Aaron Sliwkowicz, was married to Genendel Bruzitzki (possibly related to Cypra). They had a child Shmala.
Estera told Yad Vashem and the US Holocaust Museum about her uncle, Moshe Aron (from Ozorkow), and his three children.
Ester also reported that her brothers, Icek Mayer and Leib, perished in the Holocaust. They all were in the Łódź ghetto. Icek Mayer was married to Regina Milgram. Leib was married to Rachel.