Downton Abbey actress Michelle Dockery is grieving after her fiancé died on Sunday. John Dineen was only 34 years oldand passed awaywhile he was being treated for a rare type of cancer at the Marymount Hospital in Cork, Ireland.

Dineen'sfamily expressed gratitudefor all of the kindness and support they had been given so far, but also asked to be allowed to do their grieving in private. A funeral service will be held Wednesday in Cork.

Fiancé died, Dockery in Ireland to be with his family

Dockery was said to have flown to Cork from the US in order to be with Dineen and his family before he died.

Dineen was thought to have gone back to Ireland to seek a form of pioneering treatment in Germany after he was diagnosed with cancer, according to the Irish Independent.

Prior to coming to Ireland, Dockery was involved with promoting her show along with her co-stars. She appeared on The Late Show with Stephan Colbert on CBS, as well as Watch What Happens Live on the Bravo network. Due to her flying to Ireland, she didn’t appear in the cast photo of her show that was taken on December 11.

Couple had been engaged since February 2015

Dockery and Dineen were engaged in February 2015, but the couple had not publically announced any wedding plans. Dineen worked with FTI Consulting as a senior director and a commercial public relations executive.

The two were introduced to each other in 2013 by photographer Allen Leech, and in 2014 Dockery had admitted that she was dating a man from Ireland.

Dineen is originally from Waterfall, which is near Cork City in Ireland. He grew up on a farm and his parents Patrick and Marie are said to still live there. He was also a graduate of UCC.

Dockery had her rise to fame by portraying Lady Mary Crawley, the lead female role in the popular , which began in 2010. She has been nominated for several awards, such as the Golden Globe and three Emmy Awards. She also co-stared with Liam Neeson in Non-Stop in 2014.

Now that Dockery’s fiancé died she will be away from her acting duties at least until after the funeral on Wednesdayand more than likely through the remainder of the holiday season.