Did not find his parents, but how does the following look for correctness?
Theunis Jacobus Botha
South Africa, Netherdutch Reformed Church Registers (Pretoria Archive), 1838-1991
birth: 1873
residence: Quortrietvlei 116 Distr Middelburg Tvl
marriage: 18 August 1934 Middelburg, Transvaal, South Africa
spouse: Anna Sofia Roets Van Der Merwe
Theunis Jacobus Botha
South Africa, Natal Province, Civil Marriages, 1845-1955
marriage: 27 August 1912 Winkelhoek, Utrecht, Natal, South Africa
spouse: Heyla Magdalena Wessels
Theunis Jacobus Botha
South Africa, Cape Province, Western Cape Archives Records, 1792-1992
marriage: 3 March 1904 Oudtshoorn, , Cape, South Africa
spouse: Lilian Roseland Van Der Riet
Theunis Jacobus Botha
South Africa, Orange Free State, Estate Files, 1951-2006
spouse: Judith Johanna Van Rooyen Botha
other: Lukas Van Rooyen, Johanna Cornelia Susanna Van Rooyen
Theunis Jacobus Botha
Father
South Africa, Orange Free State, Estate Files, 1951-2006
spouse: Catharina Yda Marais Botha
child: Marthinus Wessel Botha
other: Johanna Petronella Magdalena Marais Botha
Theunis Petrus Jacobus Botha
Father
South Africa, Orange Free State, Estate Files, 1951-2006
spouse: Johanna Elizabeth Botha
child: Theodorus Erns Botha
other: Lydia Maria Markram Ferreira Botha
Theunis Jacobus Botha
Father
South Africa, Orange Free State, Estate Files, 1951-2006
spouse: Anna Susanna Jooste Botha
child: Willem Jacobus Botha
other: Maria Louiza Kunz Botha
Theunis Jacobus Botha
Father
South Africa, Orange Free State, Estate Files, 1951-2006
spouse: Judith Johanna Botha
child: Christina Johanna Botha Terblanche Dreyer
other: Petrus Diederick Terrblanche, Theunis Frederik Dreyer
Theunis Jacobus Botha
Father
South Africa, Orange Free State, Estate Files, 1951-2006
spouse: Pieter Frederika Philippina Roodt Botha
child: Theodorus Ernst Botha
other: Susanna Van Schalkwyk Botha
Theunis Johannes Jacobus Botha
Father
South Africa, Orange Free State, Estate Files, 1951-2006
spouse: Christina Elizabeth Magretha Van Dyk Botha
child: Theunis Johannes Jacobus Botha
other: Marcia Roelofsz Botha, Elaina Patricia Conradie Botha
Theunis Jacobus Petrus Botha
Father
South Africa, Orange Free State, Estate Files, 1951-2006
spouse: Maatje Hester Elizabeth Botha
child: Willem Hendrik Botha
other: Wilhelmina Jacoba Stassen Botha
Theunis Jacobus Botha
Father
South Africa, Orange Free State, Estate Files, 1951-2006
spouse: Jacomina Aletta Nel Botha
child: Philip Rudolph Botha
other: Helena Louisa Susarah Van Der Merwe Botha