The two-year-old granddaughter of a Michigan politician has died in a drowning accident.

Republican State Senator Ken Horn, 58, lost his granddaughter Zelda 'Zellie' Rowan Horn on Sunday, reports Michigan Live.

Zelda fell into the outdoor pool at her Frankenmuth, Michigan home on Sunday evening.

Zelda 'Zellie' Rowan Horn, 2, drowned on Sunday at her Frankenmuth, Michigan home

Zelda was the granddaughter of Republican State Senator Ken Horn, 58 (pictured holding Zelda)

The girl is survived by her parents, Kevin and Ruth, and her brother Liam. Her father found her and tried to perform CPR on her, to no avail

Her father, Kevin, found her and began to perform CPR on her, to no avail.

First responders took her to Covenant HealthCare, where she died.

Horn said in a statement: 'Please keep our family in your prayers as we struggle with this overwhelming grief'

The girl is survived by her parents, Kevin and Ruth, and her brother Liam.

Horn said in a statement: 'Our entire family is struggling to come to grips with this tragedy and our first day without Zellie.

'Kevin and Ruth are extraordinarily private people that were thrust into a very public life. It is on their behalf we ask for space, and time to grieve.

'On behalf of the entire family, we would like to share our deep appreciation to our area first responders; firefighters, police and EMT that arrived quickly on the scene.

'We also extend our most sincere gratitude to the nurses and doctors at Covenant Hospital for your care and empathy.

'We thank all our friends and family, around the world, for all the love and prayers you've already shared.

'Please keep our family in your prayers as we struggle with this overwhelming grief.'