He is very very easy. for info on HIM go to the first link
http://runescape.wikia.com/wiki/Count_Draynor
for info on the quest go to this link
http://runescape.wikia.com/wiki/Vampire_Slayer
Remember, his weakness is garlic which can be ought from players or the GE (Grand Exchange)
Count Draynor?Easy just go on your map if you see Draynor manor then double click somewhere around it
in draynor village
West of Lumbridge, north of Draynor Village.
Draynor Village
Draynor Village Just north-west of the bank in Draynor Village.
Draynor manor top floor
Ned lives in Draynor Viilage.
In the manor or outside it.
lol that's easy just go wizards tower near draynor
Her house is in Draynor Village; it is the only house in Draynor with a cauldron, near the bank to the East.
You have to start vampire slayer and you need to get a stake from dr.harlow in the blue moon inn (varrock) and a hammer and some garlic.then go to draynor manor and open the coffin and attack count draynor.when he is down you will automaticaly hammer the stake into him and he is dead.
Leela can be found east of Draynor Village.