Isaiah Hartenstein dad Florian Hartenstein is a former Artland Dragons coach. Florian previously played for Casting 46ers in Bundesliga. 

Isaiah holds dual citizenship due to his German and American ancestry. He is the current center of the NBA New York Knicks.

He previously played for Artland Dragons in Germany and Zalgiris Kaunas in Lithuania before being drafted at the 2017 NBA Draft, the same year prominent point guard De'Aaron Fox was picked fifth overall by the Sacramento Kings.

Post his draft, the 24-year-old has played with many NBA teams, including the Houston Rockets, Denver Nuggets, Cleveland Cavaliers, and Los Angeles Clippers.

Isaish and the Knicks then signed a two-year deal in July 2022 for $16 million. He shares a great rapport with fellow teammate Julius Randle as a part of the current roster.

Isaiah Hartenstein Parents

Isaiah Hartenstein parents are Florian Hartenstein and Theresa Hartenstein. Isaiah was born to them on 5 May 1998 in Eugene, Oregon.

Theresa met with Florian while attending Oregon State University. They tied the knot later and celebrate their wedding anniversary on April 4.

The Knicks center's old folks are well-connected to the sports industry and know Isaiah's footing in the NBA.

The Hartenstein couple brought up Isaish and his sibling throughout Germany and the U.S.A due to Florian's pro basketball career.

Mom Theresa Hartenstein 

Theresa Hartenstein is a veteran dance professional. She was the coach of Artland Dragons' cheerleading squad called "The Flames."

She mentored the Flames from 2009 to 2020 and looked after the Flames' youth and stunt teams. 

Theresa actively supported her hubby's pro career by looking after their two children while Flo played outside the country.

Theresa (left photo) during her time with the Dragons.
Source : instagram

She looked after her offspring in Eugene to get them familiar with the American school system in the 90s. Meanwhile, Flo was playing for Giessen 46ers in Germany. 

Flo would join them after the end of the season, or Theresa would fly to Germany on every holiday, long weekend, or day off from school.

As someone involved with pro teams, Mrs. Hartenstein understood her life as a partner to an athlete and went along with Flo's career demands.

Theresa actively spoke about her time as a wife and mom to sports celebrities with Bleacher Report in 2017. 

Florian Hartenstein Played Bundesliga

Florian was born to a German mother and an African-American father on August 13, 1977. His pop left when he was just two years old.

He grew up with his mom in Germany. His patriarch was a U.S. Army who met with his mom in Germany during service.

Isaiah Hartenstein father started playing basketball at 12 and played as a center for the German junior national team.

He was an exchange student at Thurston High School and was part of its 1996/97 basketball team. Following next year, he attended the University of Oregon and played 112 games for the varsity team.

Isaiah and Flo (right photo) at the Basketball Camp in 2019.
Source : ocregister

Following his graduation in 2001, Flo returned to Germany to play for the 46ers for the next eight seasons. He also captained the team but later moved to the Artland Dragons in Quakenbrück.

He ended his pro career in 2012 and shifted to coaching teams right after. His LinkedIn confirms that he took on the role of a youth basketball coach at

Isaiah Hartenstein Siblings

Isaiah Hartenstein has one sister named Jasmine Hartenstein. Jasmine is the eldest one, while Isaiah is the youngest in the family. 

Isaiah followed his old man's footsteps into professional basketball, while Jasmine did the same with Theresa's dancing career.

Jasmine celebrates her birthday on November 2 each year. She is a few years elder than her NBA star player brother.

She is a professional cheerleader and did cheerleading under her mother's training. She joined the Flames in the 2010-11 season and was the cheerleading squad captain.

Jasmine actively danced till 2016 until the birth of her son, Shawn, in January of that year. She is in a marital relationship with Jon Williams.

Since then, the only daughter of the Hartenstein couple has slowed down her dancing days as she is busy with her motherhood journey. Shawn is mainly seen spending time with his grandma and grandpa on social media.

Jasmine with Flo, Theresa, Isaiah, and Shawn (right photo) in February 2018.
Source : facebook

Jasmine, along with her parents, maintains a close connection to Isaiah Hartenstein girlfriend turned fiancee, Kourtney Kellar. Kourtney is a model and the 2017 Miss Texas International.

She was born in March 1991 and graduated from Henderson State University. Before meeting her fiance in 2019, she was engaged to country singer Chase Bryant.

Isaiah proposed to her in December 2022, bombarding news headlines. The Hartensteins are thrilled to welcome the model influencer into their home.