How do you pronounce it? Lee-nee? leh-nee?
I think it's pretty but there might be pronunciation problems if you don't live in a German-speaking country.
For siblings I think these work:
AlexandraAntoniaAngelaBrigitteElsaHanne/Hanna
IreneKatja/Katya/Käthe
LydiaNikolaVictoria
AntonBenedictClaus/Klaus
Christoff/Christopher
DominicErnestErikHendrikJosef/Joseph
KillianManuelNikolasPhillipTobiasThomasViktorVincent