Ancestry of Richard Plantagenet & Cecily de Neville @ chart 1792, Sigurd Ring, no title, s of Harald Hildetand King
of Denmark & Sweden s of Roric Slingeband King of Denmark &
Sweden
The cited information was published by published by author, 1978 (Ref: chart 1792, Sigurd Ring, no title, s of Harald Hildetand King
of Denmark & Sweden s of Roric Slingeband King of Denmark &
Sweden) The author/originator was Ernst-Friedrich Kraentzler.