Given the question: Facts:   - issue: michael    - title: tsar of bulgaria    - reign: 1257 -- 1277    - successor: ivaylo    - spouse: irene doukaina laskarina maria palaiologina    - predecessor: mitso asen      - father: tihomir -lrb- '' tih '' -rrb-    - name: constantine tikh    - image: nhm-bg-photokonstantintih1 . jpg   Based on these bullet points, write a short biography describing the life of constantine tikh of bulgaria .
The answer is:
constantine i -lrb- , called Константин Тих , `` konstantin tih '' -lrb- tikh -rrb- , which includes the shortened form of the name of his father as a patronymic -rrb- , ruled as emperor -lrb- tsar -rrb- of bulgaria from 1257 to 1277 .he was the son of a nobleman from skopie named tihomir -lrb- `` tih '' -rrb- and his maternal grandfather was serbian grand prince stefan nemanja .