Fixed April 2025 to be the daughter of Moshe b. Nathan b. Nissel b. Yom Tov. This also makes more sense in terms of her birth year being circa 1670.

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FIX NEEDED: According to various sources she is the daughter of Moshe b. Nathan b. Nissel b. Yom Tov (17 FEB 2025)

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Dates need to be researched. If she died in 1689 in Prague, then her children's birth dates are incorrect. One version of Neil Rosenstein's work had her as the daughter of Moses haLevi versus the sister.

Sources for this Nissel's parents, sibling, and husband are:

1. Schick, Rabbi Solomon Zvi Mi Moshe Ad Moshe (in Hebrew, attached to this profile), Kahn and Fried Publishers, 1903. Munkacs. page 20 for Nissel Schick and brother Rabbi Moses haLevi.
2. Rosenstein, Neil. The Unbroken Chain, Third Edition, 2017, Vol 1. page 40. Avotaynu. (attached)

240 Nissel nechda shel r' Wolf [Slawes is a mistake by Hock/Kaufmann] ?Flekeles? 1689/90

Named for her grandmother, daughter of Tosfos Yom Tov.

http://hebrewbooks.org/pdfpager.aspx?req=1494&hilite=912fcdda-5642-...

Her daughter was born in Tykocin (Tiktin) supposedly and her husband died in Pruzhany, so he may have been the rabbi in those two towns.

According to Moshe mi ad Moshe #20 (viewable here: http://schoenblog.com/?p=1880) Nissel is the daughter of Moshe, son of Nathan, son of Nissel, daughter of Yom Tov Heller. This is also confirmed in Unbroken Chain (https://www.geni.com/documents/view?doc_id=6000000121384383894) and also Otser HaRabanim # 19423. However, Otser's contention that Nissel's father Moshe, # 14618, is not the son of Nathan as shown above, but rather is the son of Yom Tov Heller, # 1943, is considered overruled by Moshe mi ad Moshe and Unbroken Chain. Jacobi Papers Vol. 4, Page 118, 11.2m says she is the daughter of Nathan or possibly Moshe (he wasn't sure).