Sophia "Feigen/Fijtje" Cloete (Radergoertgens), SM/PROG - Did she arrive with her brother?

Could the brother have gone back to fetch her?

1.German Personalia at the Cape 1652 - 1802 by Dr J Höge

RADEROTJES

PETER. - “Uts in 't land van Ceulen” (i.e. Uesz ?). Arr. 1659 with his sister, Fytje, wife of Jacob Cloete (q.v.), free farmhand in the service of his brother-in-law. In 1660 he was at his request taken into the Comp.'s service as agriculturist (bouwman). In 1665 mentioned as officer. (Journal of 10.11.1660; MR. Vrye Lieden 1660; GMR 1661-65.)

She and her brother, Pieter Raderotjes, from Ut in 't lant van Ceulen, left Holland on 22nd October 1658, sailing in the Arnhem from Vlie, and arrived at the Cape on 16th March 1659, a Sunday, the weather being calm with a light breeze from the north west.

(information: Sondagh, den 16en Maertio, 1659 and

Woonsdagh, den 10en November 1660, in Daghregister gehouden by den oppercoopman Jan Anthonisz van Riebeeck, 1659-1662, published 1957 by A.A.Balkema, Cape Town)

Webpage Tanap (http://databases.tanap.net/) (Original records held by unknown repository, unknown repository address) "Reference code: C. 2, pp. 155-160.
Woensdag den 10en November ao. 1660.
...
Pieter raderotjes van Ut in 't lant van Ceulen, hier te lande gecoomen voor vrijman met 't schip Aernhem den 16en Meert ao. 1659 met sijn suster Fijtje raderotjes, huijsvrouwe van den vrijborger Jacob Cloeten, welcke op ons versocht hebbende omme te mogen in Comps. dienst te worden aengenoomen, ende dies zedert pmo. April verleden daerop aen Comps. schuur tot preuve gestelt sijnde, wort vermits de goede kennisse aen hem bevonden tot den lantbouw bij deesen voor bouman aengenomen ende toegeleijt te winnen thien guldens 's maents mits verbonden blijvende d' E. Compe. daervoor alhier aen de Caap thien jaeren te dienen verbandt en gagie ingaende primo April versz dat aen Comps. schuijr dienst gedaen ende preuve gegeven heeft.
...
Aldus gedaan ende geresolveert in 't Fort de Goede Hope, datum ut ante.
JAN VAN RIEBEECK. 1660.
ROELOFF DE MAN
ABRAHAM GABBEMA. 1660.
PITER EVRARD.
H. LACUS, Secrets. 1660."
http://www.e-family.co.za/ffy/g5/p5324.htm?fbclid=IwAR2HpL0OBKD0Bt2...

What records establish him as owning livestock in Dec 1658?

Just past www.stamouers.com in overview of Jacob Cloete.

I have to tidy and edit that ! Overview full of duplication and mistakes .

What source confirm Jan Radergoertgens as father ?