I really like Scandinavian names, too!
Of your names I really like
Elis - though I prefer
EliasAlbin
ElsaLilly - though I prefer
Lily or
Lilli
OK are
Sixten
EbbaElsie - not a fan of nickname-ish names
EllenSelmaTyra - would prefer
ThyraLiv
I really dislike
Frank - not a children's name for me
Ebbe - for its meaning and blunt sound
Axel - same as
FrankHarry - samke as
FrankAlfred - same as
Frank
Astrid - not a children's name to me
Sigrid - same as
AstridElvira - same as
AstridIris - same as
Astrid