You ask, “Where to now?”
This depends entirely on what you want to know about your ancestors (how curious you are), and what time you want to spend searching for information.
From the family chart supplied (updated copy attached) you could begin to compile your own family tree.
You might like more information about Fredrick Warren’s mother, Sophia Margaret.
You may want to find out about Arthur Asher’s siblings that remained in England, or search for earlier generations of the family.
There are things you might like to do closer to home. For example - have you tried to find the house at 17 Wicht St, where your father was living in 1922? You might wish to find out more about Frederick Warren’s older brothers Harold and Alpha Arthur who would appear to have descendants still living in South Africa.
You might find more information from the Cape Town Family History Society, or the Genealogical Society of South Africa.
There are these items obtainable from National Archives of South Africa which might be of interest, and further your research. There may well be other items to find.
• 1885 CO 4246 B81 MEMORIAL. ARTHUR BATCHELDER. REQUESTING EMPLOYMENT.
• 1894 CSC 2/6/1/148 2 MOTION. PETITION OF CATHERINE BATCHELDER (BORN VAN BLOMMESTEIN) TO SUE HER HUSBAND ARTHUR BATCHELDER IN FORMA PAUPERIS FOR JUDICIAL SEPARATION.
• 1952 1/WBG 110 33/2/4/47/53 SOCIAL WELFARE. PROTECTION OF CHILDREN. CONTRIBUTION ORDER. EDWARD W BATCHELDER
• 1972 CSC 2/1/1/3922 4443 ILLIQUID CASE. RESTITUTION OF CONJUGAL RIGHTS. WALTER ALFRED PALMER VERSUS CHRISTINA JOHANNA PETRONELLA PALMER (FORMERLY BATCHELDER, BORN CONRADIE)
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Regarding your father’s baptism in 1922. This is some information about Frederick Warren’s God parents / Sponsors named at baptism.
Charles Frederick KANNEMEYER (Mixed race) born 1.7.1887; died 1947 Chester Rd Woodstock
He married 1905 Maria Caroline HARRIS.
He worked for the S.A. Railways as a shunter & train recorder
Henry Joseph HAUPT (European) b. 1875; d. 4 April 1922 ,
He married 1902 Caroline STEMMET
Lived at 7 Wicht St, Woodstock (just down the street from Frederick Warren at 17 Wicht St)
He worked as a mineral water maker; died from an accidental explosion of the mineral water machinery, just a few weeks after the baptism.