Europèaische Stammtafeln (Isenburg edition) @ Band II Table 70, Jarl Thorkill (or Thurkill) Sprakalaeg, s of
Styr-Bjorn Olafsson & Thyra Haraldsdottir, many sources do not
show him as son of Thyra Haroldsdottir. No specific geographic
title.

The cited information was published by Verlag von J.A. Stargardt, Marburg, Germany, 1953, 1975 (Ref: Band II Table 70, Jarl Thorkill (or Thurkill) Sprakalaeg, s of
Styr-Bjorn Olafsson & Thyra Haraldsdottir, many sources do not
show him as son of Thyra Haroldsdottir. No specific geographic
title.) The author/originator was Prince Wilhelm Karl von Isenburg.

• Source Notes

  ABBR ES (Isenburg)

• References (2)
  • Parent Source: Europèaische Stammtafeln (Isenburg edition)
  • Individual: Thorkils Sprakalegg