Short answers, pulled from the story.
The farm Snottsta sits in Uppland, Sweden, exactly where it stood one thousand years ago when the first rune stones were carved. Three of these stones remain visible on the farms of Snottsta and Vreta while U 332 has vanished from its original spot at Vreta.
Scholars classify the carvings on these four stones using the runestone style Pr3 which places their creation between the years 1050 and 1080. Evidence suggests U 329 was carved first followed by U 20/21 with Gerlög's Hillersjö stone being the final piece added to the sequence.
Ragnfast died without leaving a son named in the text yet his widow Inga inherited the estate. The central message across multiple stones confirms that she took ownership after her husband passed away while her husband's sisters remained excluded from the inheritance claim.
A woman named Estrid appears on U 329 as the sister of Ragnfast who likely married Östen of Täby before taking a second husband near Harg. Her name links to other runestones found in Täby and surrounding areas like Broby bro and Hargs bro while a runemaster named Fot carved both the Snottsta stones and those belonging to the Jarlabanke clan suggesting a shared origin for Estrid herself.
The final stone U 332 is now lost but once declared that both Inga and Ragnfastr had died while their children were already gone. The family saga concludes on the Hillersjö stone which states that Inga died without living children and property passed to her mother Gerlög on Färingsö island.