Hello @Zichako,
a few suggestions:
ask the embassy of Romania for help.
Contact: Dorotheenstrasse 62 - 66, 10117 Berlin
Call center Konsularabteilung: +49 30 21239555
***: ****://tinyurl.***/yc9pur8g
You can search for her name in Romanian phone books.
A list provided by Deutsche Telekom: ****://tinyurl.***/y82dk8ok (German Language, but you will handle that by only using the links).
You ask members of special communities. A list of communities given by the Romanian embassy in Germany:
https://berlin.mae.ro/de/node/525
Use search options of internet and social media services e.g. Facebook, Instagram, Google (Images). A starting point could be Whitepages Romania: ****://tinyurl.***/ybf7q99z
Kind regards
Jan