Short answers, pulled from the story.
Workers found fragments U 20 and U 21 hidden under plaster in a wall while renovating the church at Färentuna. These pieces were originally part of one large runestone before being broken apart.
Inga raised this stone to honor her husband Eric and her father Godric. The inscription records the relationship between these three people from the 11th century.
Torbjörn Skald carved the letters on this fragment using his distinctive hand. He also signed the Hillersjö stone with his name.
The runic text on U 22 snakes around the edge inside a serpent design. Experts classify this carving style as either Pr2 or Pr3.
Gerlög and Inga appear across multiple regional monuments including the Snottsta and Vreta stones. Their family story extends beyond just the Färentuna location.