Bloom Census 1900 Newark NJ, Abram and Jacob Kadecki manifest 1904

This is the 1900 Census image for Rachel Bloom (43yo, widowed, head of household b.1/1857) living at 155 Plane St. Newark NJ. Her sons David (19yo b. 7/1880), Joseph (17 yo b. 8/1882) and Manuel (15yo b. 8/1884) were living with her at the time. The three boys were born in New Jersey while Rachel was born in Russia. She immigrated to America in 1880.
There is a ship manifest for Abram and Jacob Kadecki who lived in Biezun who arrived on 11/16/1904. They joined their aunt (cousin is crossed out) R. Bloam at 135? Plane St, Newark NJ.
The exact relationship of Bloom and Kadetsky is still unknown. Rachel Bloom's death certificate or gravestone information would greatly help.
Rachel Bloom 1900 US Census Newark NJ:

Abram and Jacob Kadecki 11/16/1904 Ship Manifest: