Complex sentence: Mads Laudrup's uncle his former Danish national football player Brian Laudrup, his grandfather is former Danish national football player Finn Laudrup, and his little brother Andreas Laudrup is a professional football player as well.
Split into simpler sentences: Mads Laudrup's uncle is former Danish international Brian Laudrup and his grandfather is former Danish international Finn Laudrup. His younger brother Andreas Laudrup is a professional football player as well.