No, CNN's John King is not the son of Larry King. John King is a journalist and political correspondent, while Larry King was a renowned television and radio host. They share the same last name but are not related.
John Heriot - journalist - died in 1833.
John Heriot - journalist - was born in 1760.
John Callaway - journalist - was born in 1936.
John Callaway - journalist - died in 2009.
John Dickerson - journalist - was born in 1968.
John Carey - journalist - was born in 1960.
John Mullin - journalist - was born in 1964.
John Tierney - journalist - was born in 1953.
John Lake - journalist - was born in 1930.
John Cole - journalist - was born in 1927.
John Helmer - journalist - was born in 1946.