- It's never said I don't think, but since his surname is Japanese his mother is most likely Brazilian.--Bobbycat1 05:19, August 6, 2011 (UTC)
- I've looked around and so far the only thing that I've read that says anything about his lineage is that it's from his maternal lineage, so aka his mother. I got it from a pretty reliable site I use for Prince of Tennis information.--Bobbycat1 07:45, August 7, 2011 (UTC)
- It only states that he "comes from a mixed Brazilian heritage from his maternal lineage", it does not say anything about his father except that he is currently unemployed and is looking for a job. I'm pretty sure it's basic martial surname change with his mother taking the name of Jackal's father. Konomi probably would have said so if otherwise as it doesn't seem to be the case with Rinko, Ryoma's mom.--Bobbycat1 20:16, August 7, 2011 (UTC)
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