Short answers, pulled from the story.
Ramdas Mohandas Gandhi was the third son of Mahatma Gandhi and Kasturba Gandhi. He was born on the 4th of May 1897 in the British Colony of Natal and died on the 14th of April 1969, aged 72.
Ramdas Gandhi was an active participant in the civil protests of the 1930s led by his father. He was imprisoned numerous times by the British, and these prolonged stints in jail had serious effects on his health.
No. As an adult, Ramdas tended to deprecate the idealistic poverty his father imposed on his associates. He considered his father's lifestyle a personal fetish that caused inconvenience to others, including the Gandhi family.
Ramdas Gandhi lit the funeral pyre at his father's funeral, as he had desired. His younger brother Devdas Gandhi also joined at the funeral.
Ramdas Gandhi and his wife Nirmala Gandhi had three children, including Kanu Gandhi and Sumitra Kulkarni.
Ramdas Gandhi was raised in South Africa on one of his father's ashram-farms. His older brothers were Harilal and Manilal Gandhi, and his younger brother was Devdas Gandhi.