Assad Hussain, aged 32, was found guilty of two offences of sexual activity with a child.
Mohammed Karrar, aged 38 was found guilty of 18 offences including rape of a child under 13 and facilitating child prostitution.
Bassam Karrar, aged 33 was found guilty of 9 offences including conspiracy to rape a child under 13.
Zeeshan Ahmed, aged 27 was found guilty of two offences of sexual activity with a child.
More top news
Cricket stars, celebrities and fans have joined a social media campaign paying tribute to Phil Hughes by leaving their cricket bats out.
Eight out of 10 asthma sufferers are not getting enough clinical care, a leading health charity has found.
Phillip Schofield has revealed that an eccentric fan who wanted to marry him arranged a wedding - leaving him with the bill.