Icelandic place names may sound exotic, but they're usually not very creative. Example: The most powerful waterfall in Europe, Dettifoss, just means "falling falls"
Several countries have in the past banned ruling queens, but lacked any requirement that the king be male. This led to King Anna of Poland, and King Mary of Hungary.
originally Sis Christiania but I have seen others draw her with short hair (their versions) with short hair and I liked the idea of her being a short hair girl and her brother being a long-haired boy
original sister Christiania and sis Fennoswede had shorts and skirt the same color as their brothers' shorts and pants but I didn't like how they looked and wanted to change it and give sis Christiania cut jean shorts and Sis FennoSwede yellow skirt
I gave Sis Sealand a tiara
and I liked Sis Kven having a different color hat than her brother