Can someone be related to both Scandinavian and British royalty?

Working on a story here. Let s say, my character took a DNA test. Can she be: -part Scandinavian royalty -part British royalty -part Russian -part German And she was born in a southeast asian country, she can trace asian ancestry back to her great grandfather (who is also part of nobility). Is that possible? Does... show more Working on a story here. Let s say, my character took a DNA test. Can she be:
-part Scandinavian royalty
-part British royalty
-part Russian
-part German
And she was born in a southeast asian country, she can trace asian ancestry back to her great grandfather (who is also part of nobility). Is that possible? Does this ever happen?
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