U 379, Sigtuna, outside the church

Original
+ frisa : kiltar · letu · reisa · stein : þensa : eftiR · þur--- ----a · sin : kuþ : kuþ : hialbi : ant · hans : þurbiurn : risti

Transcription
Frisa gildaR letu ræisa stæin þennsa æftiR Þor[kil, gild]a sinn. Guð hialpi and hans. Þorbiorn risti.

Swedish
Frisernas gillebröder läto resa denna sten efter Torkel, sin gillebroder. Gud hjälpe hans ande. Torbjörn ristade.

English
The Frisian guild brothers let raise this stone after Torkel, thier guild brother. God help his spirit. Torbjörn cut.

Stenen hittades på kyrkogården inmurad i grunden till det gamla dominikarnerklostret 1881, där den varit inmurad sen 1200-talet.

The stone was found in the graveyard in 1881, were it had been part of the foundation of the old Dominican cloister since the 13:th century.