Complex sentence: Koroinen was also the home of the first Dominican convent in Finland, which according to annals of their Skänninge abbey seem to have arrived to the country with Bero and his retinue in 1249.
Split into simpler sentences: Koroinen was also the home of the first Dominican convent in Finland. According to Dominican annals of their Skänninge abbey, the brotherhood seems to have arrived to the country with Bero and his retinue in 1249.