René Picard

From Memory Alpha, the free Star Trek reference.

René Picard was the son of Robert and Marie Picard. He was the nephew of Captain Jean-Luc Picard through father Robert. Like his famous uncle, René had an interest in space exploration. (TNG: "Family")

Tragically, René died in a fire in 2371 at the family home, along with his father. He was survived by his mother. (Star Trek Generations)

The role of René Picard was played by Christopher James Miller in Star Trek Generations, however David Tristan Birkin played René Picard in Star Trek: The Next Generation.

René Picard

René Picard in the Nexus