▁Bil ba o ▁E gu ía ▁children ▁were ▁brought ▁up ▁in ▁a ▁fer vent ly ▁Catholic ▁amb ience , ▁though ▁none ▁of ▁the ▁sources ▁consult ed ▁provides ▁any ▁information ▁on ▁political ▁prefer ences ▁of ▁their ▁parents . ▁ ▁The ▁young ▁Est eb an ▁was ▁first ▁educated ▁at ▁Instituto ▁Provin cial , ▁the ▁local ▁state - run ▁Bil ba o ▁secondary ▁education ▁establishment . ▁S ources ▁provide ▁different ▁details ▁of ▁his ▁exact ▁academic ▁path , ▁though ▁most ▁agree ▁that ▁he ▁studied ▁law ▁and ▁philosophy ▁first ▁in ▁the ▁Jes uit ▁university ▁of ▁De usto ▁in ▁Bil ba o , ▁later ▁moving ▁to ▁the ▁pr estig ious ▁Universidad ▁de ▁Sal aman ca ▁and ▁comple ting ▁both ▁curr icul ums . ▁Bil ba o ▁crown ed ▁his ▁scientific ▁career ▁obtain ing ▁Ph D ▁la ure ls ▁in ▁law ▁in ▁Universidad ▁Central ▁of ▁Madrid . ▁Having ▁returned ▁to ▁his ▁native ▁B isc ay ▁he ▁opened ▁the ▁law ▁office ▁and ▁in ▁ 1 9 0 4 ▁was ▁registered ▁as ▁pract icing ▁ab og ado ▁in ▁Bil ba o . ▁In ▁ 1 9 1 3 ▁he ▁married ▁María ▁de ▁U rib aster ra ▁e ▁I bar r ondo ▁( 1 8 9 1 - 1 9 7 6 ). ▁The ▁couple ▁had ▁no ▁issue . ▁ ▁Early ▁public ▁activity ▁ ▁It ▁is ▁unclear ▁whether ▁Bil ba o ▁inherited ▁the ▁Car list ▁out look ▁from ▁his ▁for ef athers ▁or ▁whether ▁he ▁rather ▁emb rac ed ▁it ▁during ▁the ▁academic ▁years . ▁In ▁ 1 9 0 2 ▁he ▁was