i do not have a clear idea about rest of world in this timeline, so basically, i am hoping.
Well, here are the monarchies I'm thinking for different countries:
Britain: House of York
France: House of Valois
Spain: House of Habsburg
Portugal: House of Aviz
Austrian Empire: House of Habsburg
Russia: House of Romanov
Iran: Safavid Dynasty
Saudi Arabia: House of Saud
India: Tuluva Dynasty