Lets put this into simple way:
Same mom; 1 lil'bro, and he is a big pian in my ass, he is 15 on 5th of next month...
Sama dad; 1 lil'sis, was she 9? seriously, I've met her once during the last 8 years.
Same step-dad; one lil'bro 13(?), one lil'sis ~15.
Also, my lil'bro has Half-bro who is older than me. Never considered him my relative.
a lot of cousins.
I remember most of the ones from my grandmas side...
Hanna (f), Heidi (f), Tessa (f), Lotta (f), Teea (f), Inka (f), Nea (f), Jani (m), Sami (m), Kim (m), Teemu (m), Jere (m), + 2 other girls.
grandpa:
Otto (m), + 2 others
My pop's side:
Zero.
My step-dad (after all, I grew with him and his family... So actualy, he is more closer to me than my pops...)
Emilia (f), Johan (m), Jan (m), Emil (m), Janne (m), + 2 others.
(f) = Female
(m) = Male
Also, My pop's current surname is Stårberg... it was Rautavaara...