Yes. If you qualified for your rights under the Withdrawal AgreementWithdrawal Agreement The Withdrawal Agreement sets out the terms of the UK’s withdrawal from the EU and provides for a deal on citizens’ rights. It sets out a transition period which lasts until 31 December 2020. During this time you can continue to live, work and study in the EU broadly as you did before 31 January 2020. If you are resident in Austria at the end of the transition period, you will be covered by the Withdrawal Agreement, and your rights will be protected for as long as you remain resident in Austria. Any rights that are not covered by the Withdrawal Agreement will be the subject of future negotiations. https://www.gov.uk/government/publications/new-withdrawal-agreement-and-political-declaration before the end of the transition periodTransition Period The transition period (also referred to as the implementation period) is the period following the UK's departure from the European Union (on 31.01.2020) until the end of 2020. An option to extend this period has not been taken up by the UK government. you are considered as a right holderRight Holder This is the person who was resident in Austria before 2021 and in their own right is covered by the WA. Family members who do not themselves hold independent residency rights derive their right from this person. in the context of family reunions. It is important to note that you need to be a right holder to have your family join you, and that you can only be a right holder if you were living in Austria legally before end of 2020.
Only family members who were here before the end of the transition period can become right holders just like you, even if they were dependents previously. They, like you, will be able to have their core families join them later.
Those core familycore family Direct and close family members. Spouse, registered partner, children under 21 (or over 21 if still dependent), direct parents or grandparents; Adopted children are treated as natural children. members who joined you after the end of the transition period will not be able to become right holders. They will not be allowed to have their future families join them.
Your core family can eventually gain Withdrawal Agreement residency rights for themselves (e.g. by getting a job, becoming a student, or after 5 years of residency in Austria). Depending on whether they were here before or after the end of 2020 will determine whether they can later bring their core families to Austria.