It was necessary to look after the comforts of his sister-in-law and her children, who had been invited, and of his wife and child, and it was impossible not to pass at least a small portion of each day with them.
Нужно было позаботиться об удобствах приглашенной свояченицы с детьми и жены с ребенком, и нельзя было не быть с ними хоть малую часть дня.