Rowena is a wonderful name, and it suits you : )
I like the sound of
Rowena Charlotte &
Rowena Daisy ; )
For today's sibset, I will say:
Rowena CharlotteGeorgina DaisyMaximilian AubreyCaspian Darcy
Ha, I just realized that the girls both end in an EE-na sound, and the boys both end in -ian, oh well, haha.