Complex sentence: His family faced many personal tragedies between 1902 and 1907, his mother died in 1902, followed by the death of his younger sister Renuka and younger brother Shamindranath in 1903 and 1907 respectively.
Split into simpler sentences: His family faced many personal tragedies between 1902 and 1907. His mother died in 1902, followed by the death of his younger sister Renuka and younger brother Shamindranath in 1903 and 1907 respectively.