most of his (VERY large) family I've only met a few times, once at our wedding 7 1/2yrs ago, and some of them again when we went on holiday there last August. However, almost all of them speak English with quite a strong (very similar sounding) Zimbabwean accent and I often haven't got a clue who I'm talking to when they ring.
They ask if he's here - I say no (invariably as they always call afternoon Zim time when DH is at work) and they just say can you tell him I called and ask him to ring me.....then hang up!!! Its just happened now - I know it was one of his 2 brothers - but I don't know which one it was and they didn't give me a chance to check before they hung up - now DH will have to hazard a guess when he gets in and hope he rings the correct one - as one will be waiting up late (going to bed past about 10pm is rare) and the other tucked up in bed.