She looks like a Quarter Horse paint. She has the bloodlines of the quarter horse combined with the paint. Since paints have Arab, Quarter Horse, Thoughbred, ect bloodlines it looks like that is what she would be.
Shaneequah, 1998 gaited Bashkir CurlyxArab mare
Treyue, 1999 3-gaited Icelandic gelding
Loki, 2001-2015 Icelandic gelding