Queen Wynnfrith is the reigning queen of the island of Ipsilon
Queen Wynnfrith is either the sole ruler or a spouse of an unknown king. Canonically she is the main antagonist of the first island. It is unknown Whether she's still alive or died in her keep as the result of the siege. It is pointed out that she symbolises the Lyre as it is in her shrine
It is non canonical for the fact that she is a tyrant or not, but whatever flew your believe.