Complex sentence: A yeoman was a person of respectable standing, one social rank below a gentleman, and troops of yeomanry were raised in many counties, recruited largely from landholders and tenant farmers, and officered by nobility and gentry.
Split into simpler sentences: A yeoman was a person of respectable standing, one social rank below a gentleman, and many counties raised troops of yeomanry. They were recruited largely from landholders and tenant farmers, and officered by nobility and gentry.