Demixenoqueer
Demixenoqueer is a demigender identity in which part of one's gender is xenoqueer. The other part may be nonbinary, agender, gendervoid, a comination of these, unspecified, or unknown (or any other gender[s]).
The masculine counterpart is demixenoboy; the feminine counterpart is demixenogirl; and the nonbinary counterpart is demixenby.