Friderada

• https://en.wikipedia.org/wiki/Friderada

Friderada was a ninth-century noblewoman about whom very little is known. She was probably related to Liudolf, Duke of Saxony.
Friderada married at least three times and was the grandmother of Otto, Duke of Lorraine. ... ...

1. ...(Enguerrand) m [secondly] as her first husband, FRIDERADA, daughter of ---. Regino names "Friderada" as wife of "Engilrammo ex qua filiam quam postmodem Richwinus comes in coniugem accepti", also referring to her subsequent marriages[1004]. "Hugo filius Lotharii Regis" had "Wicbertum comitem" murdered and married his wife "Frideradam" in 883[1005].
2. She married secondly Bernarius,
3. thirdly (883) Wicbert,
4. and fourthly (883) Hugues, illegitimate son of Lothaire II King of Lotharingia.

• http://fmg.ac/Projects/MedLands/FRANKISH%20NOBILITY.htm#Enguerrandd...

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http://fmg.ac/Projects/MedLands/LOTHARINGIA.htm

/!\ PLZ source for date of birth "c.871 Lorraine, France "

 (it don't come from MedLands & not even from wikipedia.)