Complex sentence: From the age of eight until his introduction to the Slater Squad, Henman received coaching from the David Lloyd Tennis Centre, where he was given personal lessons by former professional player Onny Parun from New Zealand.
Split into simpler sentences: From the age of eight until his introduction to the Slater Squad, Henman received coaching from the David Lloyd Tennis Centre. At the centre, he was given personal lessons by former professional player Onny Parun from New Zealand.