As a follow up on Mushirks on a sinking ship; we were asked the following:
Someone asked: _I need the to know the specific(not general) reason for revelation of these verses. Why is the act of mushriks on a sinking ship specifically mentioned in several verses ?
Comment: Some mention that it was a habit of the Arabs to bring idols with them on their boats, and then if the going got tough, they would do as described. As they say,”there is no atheist on a sinking ship.” There seems to be something about sinking ships that makes it a solid reality call. Anyone who has been on the ocean in bad weather knows what I am speaking of. I guess the best way to describe it is: “A enormous unpredictable deathtrap not under any creature’s apparent control.” Ponder that.
Someone asked:_did the mushriks believe that only Allah can help in distress? did the mushriks call other gods beside Allah when in distress?
Comment: They knew that Allaah is the true Creator, but the worshiped other than Him still. They believed that this was something that would make Allaah accept them. Note that we are speaking of actual worship here, not merely asking for help or intercession. The latter is based on the acknowledgment that some worshipers are more likely to have their prayers answered than others, and to be blessed in what they do. The former, however, is based on thinking that other than Allaah deserves worship. The difference between them is enormous.
Someone asked:_do you have any book/quote from sunni scholars on the mushrikeen belief of Allah/god?
Comment: Sure, there are many. For example, under the kinds of shirk, As-Sanuusiyy (895 AH) mentions 6 types of shirk. The 2nd and 3rd kinds mentioned are: “(2) Shirk of making close, which is to worship other than Aļļaah to (according to those who do it) get closer to Aļļaah (i.e His acceptance), such as the shirk of the predecessors of the Arabs of the Jaahiliyyah period. (3) Shirk of immitation, which is to worship other than Aļļaah because others are doing it, like the later generations of the Jaahiliyyah.” (Sħarĥu-l-Muqaddimaat, P. 46)
Sunni Answers 
jazakallah khairan
Isnt it also possible that the musriks believed gods/ beside Allah could create based on tne following verse?
[23:91]
Allah hath not chosen any son, nor is there any god along with Him; else would each god have assuredly championed that which he created, and some of them would assuredly have overcome others. Glorified be Allah above all that they allege.
The verses before this is about mushriks admitting Allah to be sustainer etc.
Another question is , when the musriks say Allah has sons, daughters, wife; in what matters do they give them share in Ruboobiyat of Allah ?
Yes, this another type that As-Sanuusiyy mentions. I will post some details in a couple of days about the types of shirk.
When they say son, daughter, etc. they are implying godhood for them, among other things, because the son, daughter or wife of something will be of the same kind of being. This again means that they are contradicting the fact that Aļļaah is the creator and owner of everything, i.e. the only true Lord. Everything else is in absolute need for Him, with no difference between them in this aspect, and that makes it clear that only Aļļaah is worthy of worship.