[enigma] Where's the father ?

[mem Profile]

a mother is 21 years older than her child. in 6 years, his child will be 5 times young than his mother.
where's the father ?

please, if you find fast, don't answer directly here (you can pm me if you want, i'll tell you if you have right or wrong^^)
let people search a little !

Edit : hehe, greetings to Qexor, he's the first to have found !