Radhakrishnan was the father of several children (at least three sons and six daughters) by his four wives. His three sons were M. R. R. Vasu and Radha Ravi (both borne by Smt. Dhanalakshmi Ammal) and M.R. Radharajoo. Radhakrishnan also had at least seven daughters, including Rashya, Rani, Ganavalli, Kasturi, Rajeswari and two daughters (actresses Radhika and Nirosha) born to his most junior wife Geetha.