▁A ux ili ary ▁Dam ▁north ▁of ▁Tra uten stein . ▁ ▁See ▁also ▁List ▁of ▁rivers ▁of ▁Sax ony - An halt ▁ ▁References ▁ ▁Category : R ivers ▁of ▁Sax ony - An halt ▁Category : R ivers ▁of ▁Germany <0x0A> </s> ▁María ▁In és ▁Cal der ón ▁( 1 6 0 5 , ▁in ▁Madrid ▁– ▁ 1 6 7 8 , ▁in ▁Gu adal aj ara ) ▁also ▁known ▁as ▁La ▁Cal der ona ▁and ▁Mar iz á pal os , ▁was ▁a ▁Spanish ▁actress , ▁the ▁mist ress ▁of ▁Philip ▁IV ▁and ▁the ▁mother ▁of ▁his ▁only ▁recognized ▁natural ▁son , ▁John ▁of ▁Austria ▁the ▁Young er . ▁ ▁Biography ▁ ▁María ▁Cal der ón ▁attract ed ▁the ▁attention ▁of ▁the ▁monarch ▁upon ▁her ▁debut ▁at ▁the ▁theatre ▁de ▁Cor ral ▁de ▁la ▁Cruz ▁in ▁Madrid ▁in ▁ 1 6 2 7 . ▁She ▁was ▁at ▁the ▁time ▁involved ▁in ▁a ▁relationship ▁with ▁Ram iro ▁Pérez ▁de ▁Gu zm án , ▁Duke ▁of ▁Med ina ▁de ▁las ▁Tor res , ▁wid ower ▁of ▁the ▁daughter ▁of ▁Gas par ▁de ▁Gu zm án ▁y ▁P iment el . ▁The ▁King ▁forced ▁her ▁to ▁quit ▁her ▁career ▁and ▁installed ▁her ▁in ▁a ▁palace ▁in ▁Madrid . ▁Upon ▁the ▁birth ▁of ▁her ▁son ▁in ▁ 1 6 2 9 , ▁she ▁lost ▁the ▁cust ody ▁of ▁him ▁despite ▁her ▁protest s . ▁Her ▁relationship ▁to ▁the ▁king ▁ended ▁the ▁same ▁year . ▁There ▁were ▁rum ors ▁at ▁the ▁time ▁that ▁her