The Riddarholm Church (swe. Riddarholmskyrkan) is the final resting place of the Swedish kings and Stockholm's only preserved medieval monastery church. With the one exception of Queen Christina, all succeeding rulers of Sweden from Gustav II Adolf (d. 1632) to Gustaf V (d. 1950) are buried in the Riddarholmen Church.
The Riddarholm church is located at Riddarholmen, near Gamla Stan (Old Town).
It may be possible to confirm family relationships with Louise Ulrika by comparing test results with other carriers of her mitochondrial DNA.
However, there are no known mtDNA test-takers in her direct maternal line.
It is likely that these autosomal DNA test-takers will share DNA with Louise Ulrika: