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NEW YORK – Brooklyn native Robert Diaz, known as Pumpkinhead to independent rap fans and other emcees, died Tuesday morning at the age of 39.

The cause of death has not been released.  Diaz is survived by his wife and two sons; recently he announced that his wife is expecting another child.

Formerly known as PH, Pumpkinhead was well known among battle rap circles and recorded collaborations with Talib Kweli, Royce Da 5’9″, Murs, Del the Funky Homosapien, Jean Grae, Immortal Technique, Marco Polo and more.

His celebrated 2005 album “Orange Moon Over Brooklyn” was released by SouSpazm and distributed by Rawkus Records.

Talib Kweli mourned his death on Instagram, saying, “Just finding out I lost a good friend today.  RIP Robert Diaz AKA Pumpkinhead.  Robert and I went to PS 282 together in Brooklyn, 4th grade.”