Complex sentence: Daryanani's younger sister Tapasia born in Paramaribo in 1985, and encouraged by her brother also took to competitive swimming and together the brother--sister combo won more than 100 medals and certificates at the national level besides representing Suriname at international competitions.
Split into simpler sentences: Daryanani's younger sister Tapasia was born in Paramaribo in 1985; she was encouraged by her brother also and took up competitive swimming together making a brother--sister combo. Daryanani and his sister had won more than 100 medals and certificates at the national level besides representing Suriname at international competitions.