Facts:   - relatives: muhammad    - residence: medina , hejaz -lrb- now in saudi arabia -rrb-    - resting place: shrine of abbas , karbalā , iraq    - opponents: yazid i    - death cause: killed 's men while bringing some water from euphrates river for during the family of muhammad the battle of karbala by yazid i    - death date: muharram 647 5 15 mf = y 10 , 61 ah ≈ 680 10 10      - name: al 5 15 mf = y - ` abbās ibn ` alī ≈ 647    - ethnicity: hejazi arab    - death place: karbala , umayyad empire -lrb- now in iraq -rrb-    - birth place: medina , hejaz -lrb- now in saudi arabia -rrb-   Based on these bullet points, write a short biography describing the life of abbas ibn ali .
-lsb- -lsb- file : brooklyn museum - battle of karbala - abbas al-musavi - overall.jpg | 300px | thumb | the painting by commemorating the martyrdom of imam husayn at the battle of karbala , its focus is his half brother abbas ibn ali on a white horse -rsb- -rsb- al - ` abbās ibn ` ali -lrb- , -rrb- -lrb- born 4th sha ` bān 26 ah -- 10 muharram 61 ah ; approximately may 15 , 647 -- october 10 , 680 -rrb- was the son of imam ali -lrb- the first imam of shiite muslims and the fourth caliph of sunni muslims , and fatima bint hizam commonly known as ' أم البنين ' - `` mother of the sons '' -rrb- .abbas is revered by shiite muslims for his loyalty to his half-brother hussein , his respect for the households of muhammad , and his role in the battle of karbala .abbas is buried in the shrine of abbas in karbala , karbala governorate , iraq , where he was martyred during the battle of karbala .