caption serviceyears branch commands death_date birth_place allegiance battles birth_date rank |death_place article_title name
'' ' 2lt . juan alonso zayas '' ' 1888-1898 spanish army 2nd expeditionary battalion stationed in baler , philippines . october 8 , 1898 san juan , puerto rico kingdom of spain 1785 siege of baler , philippines 1869 50px teniente -lrb- lieutenant -rrb- luzon island , philippines juan alonso zayas
 juan alonso zayas
juan alonso zayas

juan alonso zayas -lrb- 1869 -- october 8 , 1898 -rrb- , was a puerto rican who served as second lieutenant in the spanish army .
he was the commander of the 2nd expeditionary battalion stationed in baler which fought in the siege of baler in the philippines .
