Mr Joyce was a dual citizen of New Zealand where his father was born, while Senator Nash yesterday evening said she was a British citizen through descent.
Senator Gallagher said it was unacceptable Senator Nash had stayed quiet about her citizenship doubts since Monday.
She told Senate she had little contact with her father and was told she was not a dual citizen.
The government received legal advice on Senator Nash's situation on Thursday.
A third Australian government minister has been caught up in the dual citizenship crisis that has rocked the country's parliament, with Nationals senator Fiona Nash admitting she is a British citizen by descent.
Desperate to cling to office, Prime Minister Malcolm Turnbull today repeated his assertion that the High Court will declare the three ministers eligible to remain in parliament.
Australia's constitution bars citizens of another country from standing for parliament, and there have been several resignations because of that in recent weeks.
Like Mr Joyce, Ms Nash said she would continue in her position until the High Court clarifies a section of Australia's constitution.
The dual citizen MPs will get their first hearing before the High Court next Thursday.
Critics of the constitutional rule argue it no longer suits the modern multicultural Australia, in which nearly half the population was born overseas or has at least one overseas-born parent.
Apart from the Nationals, the others to appear before the court will be One Nation Senator Malcolm Roberts and two Greens senators, Scott Ludlam and Larisa Waters.
Nash's case illustrates how far section 44 (i) can reach. However, that case also found that "it would be wrong to interpret the constitutional provision in such a way as to disbar an Australian citizen who had taken all reasonable steps to divest himself or herself of any conflicting allegiance".
It also does not endanger the government's majority because she sits in the Senate.
"I believe there is only one way forward for this Parliament and that is for the Prime Minister to prorogue the Parliament, [and] effectively end this session pending the outcome of the High Court, pending any by-elections that may be necessary", Senator Bernardi said.
Louis, the flags that used to fly were those of France, Spain, England, Illinois, Missouri and the United States. Even the two sons of Six Flags Over Texas founder Angus Wynne Jr., Shannon and Angus III, disagree on the move.
The stalemate between the two countries has continued with no resolution over how or when military forces would remove themselves. The confirmation for New Delhi comes after Beijing issued a statement saying that it was "not aware" about any such incident.
Though three-second prize tickets were bought in different parts of the country, no one matched all the winning numbers . Officials said the Texas ticket holder played the power play option, which increased the winnings to $2 million.
Fans can look forward to this match for more than one reason because the guest referee will be none other than Shane McMahon. Also, we have barely seen Natalya since she became the #1 Contender for Naomi's SmackDown Women's Championship.
Moon said he would be ready for dialogue once the isolated nation stops its provocations, adding that there was no rush. In a meeting with Moon on Monday, Dunford reiterated the U.S.'s commitment to protect South Korea.
Kelli Ward is running against Flake Jeff Flake, who is WEAK on borders, crime and a non-factor in Senate", Trump wrote on Twitter. Lindsey Graham (R-S.C.), who had earlier criticized the president's Charlottesville response, and then knocking "toxic" Sen.
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Carter added that Cyber Command "was devised specifically to make the United States proficient and powerful in this tool of war". Cyber Command to help spur development of cyber weapons to deter attacks and punish intruders.