I have deleted the connection from this Malka to the parents Loeb Spira and Saerel Krotoschin, Loeb Elia haLevi Spira. They already have a daughter Malka who married Abraham Pressburger.
On her profile there is a reference to this source, which needs to be checked and verified or corrected.
http://newsgroups.derkeiler.com/Archive/Soc/soc.genealogy.medieval/...
From Rosenstein, Rottenberg, Encyclopeadia Judaica & Jewish Encyclopedia.
Line #1
Karl Heinrich Marx, 5.5.1818, Trier-14.3.1883, London
ben Heinrich Marx, 1777, Saarlouis, Frankrijk-10.5.1838, Trier
ben Yakov Marx,
ben R. Mordechai Marx, né Meir Levi, 1743, Postoloprty, Bohemia-24.10.1804,
Trier
ben R. Schmuel ha-Levi, 1735-pr. 1777, Postoloprty, Bohemia, & Malka Spira
bat R. Lobil Spira, -3.2.1711/12, Praha
ben R. Eliah Spira, -13.4.1722, Praha
ben R. Benyamin Wolf Spira, 1640-11.1.1714/15, Praha
ben R. Aharon Shimon Spira, 1599-2.12.1679, Praha