I think
Heidi and
Oliver would sound great together. Actually I really love those two names in a sib set! I have to remember it. I'd also like:
Heidi and
BenjaminHeidi and
FelixHeidi and
IsaacHeidi and
LiamHeidi and
MiloHeidi and
Noah
Heidi and
TeaganHeidi and
PhoebeHeidi and
SophieHeidi and
MayaHeidi and
CharlotteHeidi and
Ella