The phrase "a model of devotion" is correct and usable in written English.
It can be used to describe someone or something that exemplifies or represents a high standard of dedication or loyalty.
Example: "She is a model of devotion, always putting her family and friends first, no matter the circumstances."
Alternatives: "an example of loyalty" or "a paragon of dedication."
Their life together served as a model of devotion and partnership to their friends and loving family, which includes their three children, Linda M. Flynn of New York, NY; Janice M. Feldman of McLean, Virginia; and Michael E. Magnor Jr. of Southampton, New York; five grandchildren and five great-grandchildren.
The pioneering feminist periodical The Englishwoman's Review described their "righteous pride" at Ayres's "instinctive motherhood"; on the other hand Young England, an imperialist children's story paper, said that "there is no sex in self-sacrifice", lauding Ayres as a model of devotion to duty.
Marmoset fathers on the other hand are a model of paternal devotion.
Indeed, viewed outside their conflict with the Palestinians, many settlers can seem a model of selfless devotion, choosing to live in great modesty with little comfort, dedicated to children and community.
You provided the older generation with a model of steadfast devotion, a legacy many of us hope to leave.
By the late 1880s Ayres was coming to be seen as a model of British devotion to duty, and her story was told in collections of heroic and inspirational stories for children, including as the first story in F. J. Cross's influential Beneath the Banner, in which Cross remarked that: "She had tried to do her best always.
Noemie was a model of elegance, compassion, and devotion to family, community, and the Jewish people.
Hagiography was not a biography in the modern sense but was a work of religious devotion that portrayed the saint as a model of Christian virtue.
Invariably well informed and familiar with the reports of his envoys, he was to his civil servants an unequaled model of exactitude, devotion to duty, and justice.
