Complex sentence: On June 21, Lupillo Rivera and his two young children appeared on the Spanish talk-show "Cristina", and he told Cristina that he has seven children, six of them biologically his and one that he has adopted.
Split into simpler sentences: On June 21, Lupillo Rivera and his two young children appeared on the Spanish talk-show, Cristina, and he told Cristina that he has 7 children. Six of them biologically his and one that he has adopted.