Complex sentence: Joseph Mark Tate (also credited as Tom Waterhouse), originally portrayed by Oliver Young, made his first appearance on 8 June 1995 as the son of Chris Tate (Peter Amory) and Rachel Hughes (Glenda McKay).
Split into simpler sentences: Joseph Mark Tate (also Tom Waterhouse), played by Oliver Young, made his first appearance on 8 June 1995. Joseph is the son of Chris Tate (Peter Amory) and Rachel Hughes (Glenda McKay).