1628 · Lippstadt
Valentin Jost admitted to Lippstadt citizenship
With sons Conrad + Matthias from Leeheim, Hessen-Darmstadt. The sole Jost entry in the Lippstadt Bürgerbuch 1576–1810 (Thurmann 1983 ed.). War-displacement migration during the Thirty Years' War.
1692 · Cape · 8 November
Frans Joosten arrives at Cape on Belois
VOC voyage from Goeree 28 June. Frans among 65 sick admitted to Cape hospital; kept at Cape rather than continuing to Batavia.
1697 · Cape · Burgher Grant
Frans Joosten free burgher
First documented Cape settler in the family line. Pre-1706 trajectory: cattle-herder (Weber 1692–96), farm-hand (Basson 1696–98), burgher 1697.
1706 · Cape DRC
Frans Joosten marries Maria Mouton
Community of property — first family-wealth crystallisation event. Bartolomeusklip farm at Agter-Groenveld via the marriage. Mouton family carriers: Antoine Mouton + Quantine Frouart (Steenwerck-near-Armentières) parents-in-law.
1714 · Cape · 3 January
Frans Joosten murdered · Maria Mouton trial
CJ 318 trial. Maria executed at Cape 31 March 1714. The founding-tragedy at the family line. Cape Town displacement of surviving G8 children. Bartolomeusklip erfbrief 28 August 1714 posthumous.
1828 · Tulbach
G5 Willem Johannes Jooste Sr born
At Tulbach in the Cape Colony — the project's deepest single-source primary substrate's subject.
~1880s · Cape → Transvaal
Family migration from Cape Colony to South African Republic
G5 + Fanny + 8 children move from Cape to Potchefstroom in the Z.A. Republiek. Migration completed by 20 October 1888 per Klerksdorp private deed. Earlier than xlsx-tradition framing of ~1886.
1886–1890 · Klerksdorp
Witwatersrand-Klerksdorp gold rush
G5 acquires shares in Potchefstroom Mining-Syndicate + Polchefstroom Steam Fields Co + Hardbreed Union + Norigskool + Vaalrivier. Family wealth transitions from farmer ancestry to diversified Particulier portfolio. Klerksdorp 20-24 October 1888 private deed; 1 December 1888 Rietfontein No. 632 sale to 8 children.
1889 · 1 January · Worcester No. 472
G5 Joint Will at Worcester
1889 · 5 May · Potchefstroom
G5 death · Sterfkennisgewing filed
1890 · 17 December · Pretoria
Weeskamer Remarriage Permission Certificate · Fanny → Geldenhuys
12 days before Final L&D close. Will §2 remarriage-trigger clause activates.
1890 · 29 December
G5 Final L&D close · estate distributed
Fanny signs as F.J. Geldenhuys gebooren Carr Executrice. £11,583 11s 3d Balans voor distribusie.
1906 · 16 January · Braamfontein
G4 Willem Johannes Jooste Jr dies
~1907–1950 · Klerksdorp · Eleazer
G3 consolidates Eleazer farm
Re-acquires ½ Eleazer share. Farms at Klerksdorp through 1950 death. Father of the founder's father.
1899–1902 · Anglo-Boer War
Six narrative figures · Kenhardt, Paardeberg, Theron, Alberts
Family substrate at the war — recovered through oral tradition and family records; primary-source engagement at pipeline OPP-271.
1987 · Sandton
The founder · present generation
290 years from Valentin Jost's Lippstadt admission to the founder's Sandton present. Heritage Atlas project initiated 2026.
2026 · Live R3/R4 channels
Six channels in compound pause
EKHN Zentralarchiv Darmstadt · Stadtarchiv Lippstadt · Bielefeld Landeskirchliches Archiv · HGL Leeheim Familienforscher · NA Den Haag VOC scheepssoldijboeken · Hilton UKZN. Next substrate-emergence event lands as the next Heritage Card.