Is blockchain wallet able to give us
BTG once have
BTC in the wallet on the 25th of October 2017?
I haven't found any confirmation from them and in the btg website there is no info about
blockchain.info only other wallets.
You can recover your seed phrase from their website (Settings > Security > Backup Phrase)
You should be able to use this phrase to restore your BTC and BTG in another wallet.