Barend Pietersz Blom was born more or less in 1666 in Wagenau, Siegsdorf, Bavaria, Germany.
He was possibly baptized or christionised on 14 May 1684.
He married Catharina de Beer in 1693/94
Their first daughter, Agatha was born on 21 October 1695 and was baptized on 20 November 1695 in "De Kat", Castle of Good Hope by rev. Hercules van Loon with witnesses: Willem Lodewijkse Wiederholt and Maria Joostense.
http://www.e-family.co.za/ffy/g4/p4135.htm
Barend was from Kalmar, Sweden, and was perhaps born there circa 1670. The date is estimated based on his date of marriage. Published genealogies have said he was from Wagenau (near Salzburg), but in his request for land in 1694 he himself wrote that he was from Kalmaer.
If he was born in Germany as other sources said, it might be possible that his father, Pieter Blom (because Pietersz means "Pieter's zoon") and his family went back to their homeland a certain time after his birth in Wagenau, because the Thirty Year War (1618-1648) has ended. Sweden armies helped Germany in the conflict between the Catholics and Protestants and the Sweden troops stayed for a long time in the region of Bavaria to stabilize and monitor the after war situation. Perhaps his father met the mother of Barend Pietersz Blom there in Bavaria during that time?! On there way back to Sweden they must have go via Pommere (Pommerania in English), also a Swedish country at that time, because one of the nick names of Barend Pietersz was "Pommerijntje". From Kalmar (possibly the Blom family's home town), this young man went to Cape of Good Hope in the hope to find a new future. It is absolutely correct that Barend Pietersz Blom indicate that he was from "Kalmaer" in the document (Permission to transfer: 1/STB 15/2) when he asked permission on 18 September 1694 to go from the Cape to Drakenstein and also ask for land. He received the farm Groendal on 28 February 1699 and in the same year his first son, Pieter Barend Blom, was born on Groendal and was baptized in the Dutch Reformed Church of Drakenstein also in the same year on 29 April by rev. Pierre Simond and the neighbor farmer, Piter Rassemus of the farm, Groenberg, was the witness.