Hey so basically my mum got with my dad then they broke up when I was 2 months old then my mum got with step dad number 1 and I treat him like my dad BC I've known him for 13 years now and my dad got a gf so step mum number 1 then my mum and step dad number 1 broke up and I still see step dad number 1 and his gf step mum number 2 then my mum got with step dad number 2 hope that clears it up Xx