asalam taher thank you for interpreting my dream:
1) I just had to questions if any one asks me to prove how im a syed how do I do it.?
2) and does this really mean I can name my descendents syed?
A`udhu billahi min ash-shaytan ir-rajeem
Bismillahi ‘r-Rahmani ‘r-Raheem
wa `alaykum salam,
Please see here for an answer regarding your first question.
As for your second question, see Shaykh Gibril’s answer here.