Answer : 1. "यादव वंश "
Explanation :

1. Ramchandra who is also known as Ramdev. He was the ruler of the Yadav dynasty of Devagiri, India. Ramchandra Yadav was the son of Raj Krishna.

2. In 1296 AD, Alauddin Khilji again attacked Devagiri without informing Jalaluddin Khilji and kidnapped Ramchandra Dev's daughter and brought her back to Kada. Hearing this, Jalaluddin Khilji went to meet Alauddin, where Alauddin treacherously killed him. Did it.