--- In norse_course@yahoogroups.com, "AThompson" <athompso@...> wrote:

> Hallkatla var systir Jóreiðar, móðir Þorkels Geitissonar og þeirra

Þiðranda.

> Hallkatla was (the) sister of Jóreið, mother of Þorkel Geiti's-son

and their (?) Þiðrandi.

"...the mother of Thorkel Geitisson and Thidrandi and ?". I don't
know the name(s) of the other sibling or siblings.