Bobby Fischer's Family

I don't want this topic to be regarded as being disrespectful to the Fischer family and Bobby's mother Regina in particular.

I have read that there is some speculation as to the identity of Bobby's biological father and the fact that it is speculated that Bobby's dad could be one of several people.

This got me wondering as to the identity of the father of Bobby's sister, Joan. By all accounts Joan too was a high achieving person in her own right and I was wondering if there had been any information with regard to the identity of her father?

Did Joan and Bobby have the same father?

Thanks in advance.

Beats me I can't remember -maybe Wikipedia will answer your question and/or the book by Frank Brady

https://en.wikipedia.org/wiki/Bobby_Fischer#Further_reading

http://www.amazon.com/Endgame-Fischers-Remarkable-Americas-Brightest/dp/0307463907

Thanks.

I read Dr Brady's book "Endgame" and his book provides no insights as to who the father of Joan, Bobby's sister, was.

I even went as far as writing to Dr Brady about the identity of Joan's father but I never got a reply from Dr.Brady.

I dug into it one time, a while ago so I forgot the particulars, but Bobby's real Father was a Jewish fellow, not the one was accredited having. His real Father could have been Paul Nemenyi. http://host.madison.com/wsj/news/local/doug_moe/article_cd18fa16-8dc2-11df-a4a5-001cc4c002e0.html 

Here's his photo and blurb on him.  http://en.wikipedia.org/wiki/Paul_Nemenyi Certainly would have had the IQ to be Bobby's Father.

 Also heard or probably read that Bobby had a child with a Japanese lady - which could have been true and by Japanese mores and standards, would have kept it hush hush. 

I've written several articles on this, and I have talked to Frank Brady.  I believe Frank still thinks the real father is Hans Gerhard-Fischer.  I've seen pictures of both Hans and Paul, and Paul is a dead ringer, whereas Hans does not look like Bobby at all.  My opinion is that the real father is Paul Nemenyi and not Hans Gerhard-Fischer.   I knew and visited Joan Targ, Fischer's sister, but never brought it up.  Her father is Hans.

http://www.chessmaniac.com/index.php/2012/06/16/who-was-fischers-father/

http://www.chess.com/article/view/who-was-fischers-father

Thanks for your reply.

The resemblance between Bobby and Nemenyi would indicate that perhaps Nemenyi is more likely to have been Bobby's father, rather than Gerhard Fischer.

The identity of Joan's father is what is of interest to me. Of course if you met Joan, I can understand your reticence in bringing up this subject. (you can't just ask a person straight out "tell me who your dad was/is"). Is it likely that Joan was never told by Regina who her father was?

I find it intriguing that we can guesstimate who Bobby's father was but the chess community has no idea who Joan's father was.

Wikipedia is crap.  Anyone that relies upon it is a fool.