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Experienced Service In Probate And Estate Planning

At The Probate House L.P., we offer a personal approach to estate and trust services throughout Southern California. We work with our clients’ best interests in mind to provide quality legal counsel in estate planning, probate, conservatorships, trust, guardianships, elder law, and contested matters.

Our attorneys have helped clients solve their legal problems in Southern California for over three decades. Our professional legal team consists of four experienced lawyers and an excellent professional staff. Prior to its founding, Sibylle Grebe was an associate attorney for over 10 years at The Probate House L.P. under Duane Conover. The Probate House L.P. was eventually founded by Sibylle Grebe and Duane H. Conover as a natural extension of their partnership. Sibylle has practiced exclusively in probate, conservatorships, guardianships, estate planning, trust administration, and elder law.

Contact us today if you need legal assistance with any of the following:

  • Probate & Estate Administration
  • Estate Planning
  • Elder Law
  • Conservatorships & Guardianships
  • Contested Matters

With our combined experience, we strive to provide effective legal guidance to our clients. Our legal knowledge combined with hands-on experience allows us to offer sensible insight into the available legal strategies based on our clients’ particular needs. We are here as a compassionate guiding hand at every step of the process. Call today at 424-452-2375 to arrange your free initial consultation.

Attorney Sibylle Grebe

Bar Admissions:

  • California, 1989
  • U.S. Supreme Court, 1994


  • Southwestern University School of Law, Los Angeles, California
    • Juris Doctor
    • Honors: Mock Interview Program
  • California State University Long Beach
    • B.A., Bachelor of Arts
    • Major: Economics
  • Emory University
    • Honors: Estate Planning Certification of Achievement

Professional Memberships and Achievements:

  • State Bar of California, Member
  • American Bar Association, Member
  • Los Angeles County Bar Association, Member
  • Beverly Hills Bar Association, Member
  • South Bay Bar Association, Member
  • National Association of Elder Law Attorneys, Member
  • Southern California Chapter of the National Association of Elder Law Attorneys, Member
  • Southern California Council of Elder Law Attorneys, Member
  • California Advocates for Nursing Home Reform, Member
  • Elder Law Committee of the Los Angeles County Bar, Member
  • Probate Volunteer Panel of Attorneys, Los Angeles Superior Court since 2004
  • Los Angeles County Bar Association (LACB), Elder Law Committee, Former Chair
  • California Council of Elder Law Attorneys, Member and Past President
  • Lawyer Referral and Information Service Advisory Committee, Los Angeles County Bar Association, Past Co-Chair and Member
  • Trusts and Estates Executive Committee, Los Angeles County Bar Association, Member
  • South Bay Bar Association, Board of Directors and Co-Chair of the Probate and Trust Section

Languages Spoken:

  • German
  • English

Office Locations

Irvine Office
38 Corporate Park
Irvine, CA 92606

Torrance Office
3424 West Carson Street
Suite 320
Torrance, CA 90503-5717

Since 1997, the "Lead Counsel Verified" status has been granted to attorneys who possess:

  • The Right Professional Experience
  • A Spotless Record

The following attorneys at this firm are Lead Counsel Verified:

Sibylle Grebe

Sibylle Grebe

This attorney is Lead Counsel Verified in the following practice areas:

Practice Area Year
Estate Planning Since 2021
Practice Area Year
Estate Planning Since 2021
For Attorneys:Download Lead Counsel Badge

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