Josef Strauss (August 20, 1827 - July 22, 1870) was an Austrian composer. He was fondly referred to as 'Pepi' by his family and close friends. The son of Johann Strauss I and brother of Johann Strauss II and Eduard Strauss, he was born in Vienna. He worked initially as an engineer and designer before joining the family orchestra in the 1850s. Wikipedia
The definitive Wikipedia entry for Josef Strauss. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Josef_Strauss